フィナステリド：男性型・女性型脱毛症（AGA）

Q: Does フィナステリド help with 男性型・女性型脱毛症（AGA）?

Based on 206 studies with 24,777 participants, there is strong evidence from multiple clinical trials that フィナステリド may support 男性型・女性型脱毛症（AGA） management. Our evidence grade is A (Strong Evidence).

Q: How much フィナステリド should I take for 男性型・女性型脱毛症（AGA）?

Studies have used various dosages. A commonly studied range is 1 mg/day oral. Always consult your healthcare provider before starting any supplement regimen.

Q: Are there side effects of フィナステリド?

Reported side effects may include Decreased libido (2-4% of users), Erectile dysfunction (1-3% of users), Decreased ejaculate volume, Breast tenderness or gynecomastia (rare). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

Q: How strong is the evidence for フィナステリド and 男性型・女性型脱毛症（AGA）?

We rate the evidence as Grade A (Strong Evidence). This rating is based on 206 peer-reviewed studies with 24,777 total participants. The overall direction of effect is positive.

合計18,623名の参加者を対象とした129件の研究（メタアナリシス16件、RCT 13件を含む）に基づく。129件中106件の研究で肯定的な効果が示されている。

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結論

Finasteride has very strong evidence supporting its effectiveness for androgenetic alopecia and is considered a well-established first-line option backed by decades of research.

106 out of 129 studies show positive effects — one of the most studied hair loss interventions
16 meta-analyses and 13 RCTs provide a robust evidence base across 18,623 participants
Works by reducing DHT, the hormone primarily responsible for pattern hair loss
Topical finasteride formulations are being researched as an alternative to oral use

Key Study Findings

Review

Androgenetic Alopecia in Women: A Narrative Review of Pathophysiology, Clinical Evaluation, and Treatments.

Dose: None vs: None Outcome: None 効果: None None

対象集団: women with androgenetic alopecia (female pattern hair loss)

Review

The Over-The-Counter Finasteride Alternative: A Critical Review of Saw Palmetto's Efficacy, Safety, and Regulatory Concerns.

Dose: None vs: None Outcome: None 効果: None None

対象集団: None

non-randomized controlled trial n=60 16 weeks Open-label

Clinical Efficacy and Mechanisms of Microneedling Alone or Combined With Drugs in the Treatment of …

Dose: Mild group: microneedling alone (8 weeks); Moderate group: microneedling + 5% minoxidil (12 weeks); vs: Placebo 効果: All groups showed significant decrease in HLSS and increase in hair density post-treatment (p<0.001) p<0.001

randomized controlled trial n=45 16 weeks Open-label

Clinical and Trichoscopic Evaluations of Topical Finasteride 1%, Topical Spironolactone 5%, and Minoxidil 5% in …

Dose: Group A: topical finasteride 1% solution; Group B: topical spironolactone 5% solution; Group C: topi vs: Placebo 効果: Groups A and C showed significant improvement on Sinclair scale and trichoscopic hair density; Group None

Review

Male and female pattern hair loss.

Dose: None vs: Placebo 効果: None None

randomized controlled trial n=45 Open-label

Clinical efficacy of microneedle combined with 5% Minoxidil solution and finasteride in the treatment of …

Dose: Group A: 5% Minoxidil alone; Group B: 5% Minoxidil + Finasteride; Group C: Microneedling + 5% Minoxi vs: Placebo 効果: Hair density and hair shaft diameter increased in all groups; Group C superior to Group A in Norwood p<0.01

Key Statistics

206

研究数

24777

参加者数

↑

Positive

グレード

Referenced Papers

The Over-The-Counter Finasteride Alternative: A Critical Review of Saw Palmetto's Efficacy, Safety, and Regulatory Concerns. Other

International journal of … 2026 1 件の引用

Research Progress on Platelet-Rich Plasma (PRP) in the Treatment of Androgenetic Alopecia. Systematic Review

Journal of cosmetic … 2026

Clinical Efficacy and Mechanisms of Microneedling Alone or Combined With Drugs in the Treatment of Androgenetic Alopecia. Other

Journal of cosmetic … 2026

Androgenetic Alopecia in Women: A Narrative Review of Pathophysiology, Clinical Evaluation, and Treatments. Review

American journal of … 2026

Characterization and Management of Androgenetic Alopecia in Transgender and Gender-Diverse Individuals: A Narrative Review. Review

Dermatology and therapy 2026

A novel cell-free regenerative therapy for hair loss: human fetal cartilage progenitor cell secretome. Other

Biomaterials 2026

A Prospective Study of Exosome Therapy for Androgenetic Alopecia. Other

Aesthetic plastic surgery 2025 14 件の引用

Efficacy, safety and tolerability of drugs for alopecia: a comprehensive review. Review

Expert opinion on … 2025 11 件の引用

Nutritional deficiencies after sleeve gastrectomy and Roux-en-Y gastric bypass at 10 years: secondary analysis of the SLEEVEPASS randomized clinical trial. RCT

The British journal … 2025 10 件の引用

An update on nanocarriers for follicular-targeted drug delivery for androgenetic alopecia topical treatment. Review

Expert opinion on … 2025 10 件の引用

Epidemiological landscape of androgenetic alopecia in the US: An All of Us cross-sectional study. Other

PloS one 2025 8 件の引用

Male androgenetic alopecia. Review

Anais brasileiros de … 2025 7 件の引用

Platelet-rich plasma-derived exosomes stimulate hair follicle growth through activation of the Wnt/β-Catenin signaling pathway. Other

Regenerative therapy 2025 7 件の引用

Androgenetic Alopecia: An Update on Pathogenesis and Pharmacological Treatment. Review

Drug design, development … 2025 7 件の引用

Multidimensional assessment of adverse events of finasteride：a real-world pharmacovigilance analysis based on FDA Adverse Event Reporting System (FAERS) from 2004 … Other

PloS one 2025 6 件の引用

A Prospective and Comparative Study to Explore the Effects of Platelet-Rich Plasma in Hair Transplantation for Patients With Androgenetic Alopecia. RCT

Journal of cosmetic … 2025 5 件の引用

Effectiveness of Combined Oral Minoxidil and Finasteride in Male Androgenetic Alopecia: A Retrospective Service Evaluation. Other

Cureus 2025 5 件の引用

Post-finasteride syndrome - a true clinical entity? Review

International journal of … 2025 5 件の引用

Co-delivery of minoxidil and finasteride via ionic liquid and cyclodextrin-assisted in situ thermosensitive hydrogel for synergistic treatment of androgenic alopecia. Other

International journal of … 2025 5 件の引用

Efficacy and safety of topical finasteride spray solution in the treatment of Chinese men with androgenetic alopecia: A phase III, … Other

Chinese medical journal 2025 4 件の引用

Topical dutasteride for androgenic alopecia: current state and prospects. Review

Therapeutic delivery 2025 4 件の引用

Wnt/β-Catenin Signaling Pathway Targeting Androgenetic Alopecia: How Far Can We Go Beyond Minoxidil and Finasteride? Review

Journal of medicinal … 2025 4 件の引用

Efficacy and safety of dutasteride in the treatment of alopecia: a comprehensive review. Review

Expert opinion on … 2025 3 件の引用

Finasteride Use: Evaluation of Depression and Suicide Risk. Other

Journal of cosmetic … 2025 3 件の引用

Efficacy and safety of twice- or thrice-weekly dutasteride versus daily finasteride in men with androgenetic alopecia: A randomized, investigator-blinded, active-controlled, … Other

JAAD international 2025 3 件の引用

Research progress on the pathogenesis of androgenetic alopecia. Review

European journal of … 2025 3 件の引用

Hair regeneration in androgenetic alopecia using secretome of adipose-derived stem cells (ADSC) and minoxidil: a comparative study of three groups. Other

Archives of dermatological … 2025 3 件の引用

Technological Advances in Anti-hair Loss and Hair Regrowth Cosmeceuticals: Mechanistic Breakthroughs and Industrial Prospects Driven by Multidisciplinary Collaborative Innovation. Review

Aesthetic plastic surgery 2025 2 件の引用

Shen-Ying-Yang-Zhen formula promotes angiogenesis around hair follicles, alleviates oxidative stress, and inhibits hair follicle apoptosis through the VEGF/Akt/Caspase-9 signaling axis. Other

Phytomedicine : international … 2025 2 件の引用

Comparative Efficacy of Minoxidil and 5-Alpha Reductase Inhibitors Monotherapy for Male Pattern Hair Loss: Network Meta-Analysis Study of Current Empirical … Meta-Analysis

Journal of cosmetic … 2025 2 件の引用

A Canadian Consensus on Androgenetic Alopecia: Approach and Management. Other

Journal of cutaneous … 2025 2 件の引用

Computational drug discovery of potential 5α-reductase phytochemical inhibitors and hair growth promotion using in silico techniques. Other

Frontiers in bioinformatics 2025 2 件の引用

Research progress in the treatment of non-scarring alopecia: mechanism and treatment. Review

Frontiers in pharmacology 2025 2 件の引用

Male and female pattern hair loss. Review

Australian prescriber 2025 2 件の引用

Exploration of the Possible Relationships Between Gut and Hypothalamic Inflammation and Allopregnanolone: Preclinical Findings in a Post-Finasteride Rat Model. Other

Biomolecules 2025 2 件の引用

Randomized controlled trial on the efficacy and safety of the combination therapy of topical 0.1% finasteride - 5% Minoxidil in … RCT

Archives of dermatological … 2025 2 件の引用

Treatment of androgenetic alopecia with low-dose oral minoxidil monotherapy compared with combination therapy with dutasteride or finasteride. Other

Journal of the … 2025 2 件の引用

Plant Nanovesicles Integrate Bioactivity and Transdermal Finasteride Delivery for Androgenetic Alopecia. Other

ACS applied materials … 2025 2 件の引用

Enhanced ex vivo skin retention of bicalutamide using a nano-in-micro composite: Drug-loaded lipid vesicles in a dissolving microarray patch. Other

European journal of … 2025 1 件の引用

The safety and efficacy of finasteride for transgender men with androgenetic alopecia: a case series. Case Report

Journal of medical … 2025 1 件の引用

Exploring Mesenchymal Stem Cells versus Minoxidil for Androgenic Alopecia Treatment: A Detailed Animal-Based Histological and Morphometric Study. Other

Cells, tissues, organs 2025 1 件の引用

Estrogen hormone therapy stabilizes lateral hairline in transfeminine patients: Implications for facial feminization surgery. Other

Journal of plastic, … 2025 1 件の引用

Relative efficacy of minoxidil in combination with other treatments for androgenic alopecia: a network meta-analysis based on randomized controlled trials. Systematic Review

Frontiers in medicine 2025 1 件の引用

No increased risk of mood disorders in male androgenetic alopecia patients treated with dutasteride and finasteride: A retrospective cohort database … Other

Journal of the … 2025 1 件の引用

Efficacy of Skin Patting and Iontophoresis with Dutasteride Gel in Male and Menopausal Female Androgenetic Alopecia: A Pilot Study. Other

Dermatology and therapy 2025 1 件の引用

A proprietary lipidosterolic extract of Serenoa repens promotes hair growth through mechanisms that extend beyond 5-alpha reductase inhibition: Insights from … Other

International journal of … 2025 1 件の引用

Do Non-Prescription Products Help in Managing Androgenic Alopecia? Review

Skin appendage disorders 2025 1 件の引用

Clinical and Trichoscopic Evaluations of Topical Finasteride 1%, Topical Spironolactone 5%, and Minoxidil 5% in Female Pattern Hair Loss Treatment. Other

Dermatology practical & … 2025 1 件の引用

A Randomized, Double-Blind, Placebo and Active Controlled Phase II Study to Evaluate the Safety and Efficacy of Novel Dutasteride Topical … Other

Cureus 2025

Androgenetic alopecia. Review

Nature reviews. Disease … 2025

The Use of Light-Based Therapies in the Treatment of Alopecia. Review

Journal of cosmetic … 2025

Similar Risk of Sexual Dysfunction in Androgenetic Alopecia Patients Treated With Dutasteride vs. Finasteride: A Retrospective Cohort Database Study. Other

International journal of … 2025

Anti-Hair Loss Potential of Perilla Seed Extracts: In Vitro Molecular Insights from Supercritical Fluid Extraction. Other

Foods (Basel, Switzerland) 2025

Personalized Compounded Hair Loss Treatments: A Compatibility Assessment of the TrichoConcept™ Vehicle Line. Other

International journal of … 2025

Kyoh® Rocket Leaf Extract Regulates Proliferation and VEGF and FGF7 Expression in Human Dermal Follicle Papilla Cells. Other

Molecules (Basel, Switzerland) 2025

Updates in Treatment for Androgenetic Alopecia. Review

Annals of dermatology 2025

Clinical efficacy of microneedle combined with 5% Minoxidil solution and finasteride in the treatment of androgenetic alopecia in males. Other

Archives of dermatological … 2025

Effects of dietary supplements on androgenetic alopecia: a systematic review and network meta-analysis. Systematic Review

Frontiers in nutrition 2025

Relative Efficacy of Conventional Monotherapies and Select Nonconventional, Over-the-Counter Products for Male Androgenetic Alopecia: A Network Meta-Analysis Study. Meta-Analysis

Journal of cosmetic … 2025

Status of research on the development and regeneration of hair follicles. Review

International journal of … 2024 39 件の引用

Hybrid hair follicle stem cell extracellular vesicles co-delivering finasteride and gold nanoparticles for androgenetic alopecia treatment. Other

Journal of controlled … 2024 30 件の引用

Efficacy of the association of topical minoxidil and topical finasteride compared to their use in monotherapy in men with androgenetic … RCT

Journal of cosmetic … 2024 17 件の引用

The Hormonal Background of Hair Loss in Non-Scarring Alopecias. Review

Biomedicines 2024 17 件の引用

Androgenetic Alopecia in Men: An Update On Genetics. Review

Indian journal of … 2024 14 件の引用

Dutasteride for the Treatment of Androgenetic Alopecia: An Updated Review. Review

Dermatology (Basel, Switzerland) 2024 14 件の引用

The efficacy of the combination of topical minoxidil and oral spironolactone compared with the combination of topical minoxidil and oral … RCT

Journal of cosmetic … 2024 14 件の引用

Management of androgenic alopecia: a systematic review of the literature. Systematic Review

Journal of cosmetic … 2024 11 件の引用

Safety of Antiandrogens for the Treatment of Female Androgenetic Alopecia with Respect to Gynecologic Malignancies. Review

Journal of clinical … 2024 11 件の引用

Physical Treatments and Therapies for Androgenetic Alopecia. Review

Journal of clinical … 2024 10 件の引用

Association of 5α-Reductase Inhibitors with Depression and Suicide: A Mini Systematic Review and Meta-analysis. Meta-Analysis

European urology focus 2024 10 件の引用

Medical Treatment for Androgenetic Alopecia. Other

Facial plastic surgery … 2024 8 件の引用

Emerging and traditional 5-α reductase inhibitors and androgen receptor antagonists for male androgenetic alopecia. Review

Expert opinion on … 2024 8 件の引用

Hair Loss: Diagnosis and Treatment. Review

American family physician 2024 8 件の引用

Red and Green LED Light Therapy: A Comparative Study in Androgenetic Alopecia. Other

Photodermatology, photoimmunology & … 2024 8 件の引用

The impact of monotherapies for male androgenetic alopecia: A network meta-analysis study. Meta-Analysis

Journal of cosmetic … 2024 8 件の引用

The relative effect of monotherapy with 5-alpha reductase inhibitors and minoxidil for female pattern hair loss: A network meta-analysis study. Meta-Analysis

Journal of cosmetic … 2024 7 件の引用

Sexual dysfunction with 5-alpha-reductase inhibitor therapy for androgenetic alopecia: A global propensity score matched retrospective cohort study. Other

Journal of the … 2024 7 件の引用

An Overview of Commonly Used Natural Alternatives for the Treatment of Androgenetic Alopecia, with Special Emphasis on Rosemary Oil. Review

Clinical, cosmetic and … 2024 7 件の引用

Efficacy and safety of low-dose oral minoxidil in the management of androgenetic alopecia. Review

Expert opinion on … 2024 7 件の引用

Maternal multivitamin supplementation mitigates the risk of fetal congenital heart disease associated with high indoor total volatile organic compounds exposure … Other

Environmental health : … 2024 7 件の引用

The risk of psychiatric disorders in finasteride users with benign prostatic hyperplasia and androgenetic alopecia: A population-based case-control study. Observational

The Australasian journal … 2024 5 件の引用

Development and Evaluation of Dutasteride Nanoemulgel for the Topical Delivery against Androgenic Alopecia. Other

Pharmaceutical nanotechnology 2024 5 件の引用

Does Vitamin B6 Act as an Exercise Mimetic in Skeletal Muscle? Review

International journal of … 2024 5 件の引用

Comparative analysis of low-dose oral minoxidil with spironolactone versus finasteride or dutasteride in female androgenetic alopecia management. Other

Archives of dermatological … 2024 4 件の引用

Comparison between dutasteride and finasteride in hair regrowth and reversal of miniaturization in male and female androgenetic alopecia: a systematic … Other

Dermatology reports 2024 4 件の引用

Long-term efficacy and safety of dutasteride 0.5 mg in Korean men with androgenetic alopecia: 5-year data demonstrating clinical improvement with … Other

The Journal of … 2024 4 件の引用

Resveratrol-Loaded Versatile Nanovesicle for Alopecia Therapy via Comprehensive Strategies. Other

International journal of … 2024 3 件の引用

Efficacy of Topical Finasteride 0.25% With Minoxidil 5% Versus Topical Minoxidil 5% Alone in Treatment of Male Pattern Androgenic Alopecia. RCT

Journal of drugs … 2024 2 件の引用

Androgenetic Alopecia: Therapy Update. Review

Drugs 2023 221 件の引用

Androgenetic alopecia: An update. Review

JAAD international 2023 80 件の引用

Treatment of Androgenetic Alopecia: Current Guidance and Unmet Needs. Review

Clinical, cosmetic and … 2023 58 件の引用

What's New in Therapy for Male Androgenetic Alopecia? Other

American journal of … 2023 41 件の引用

Female-pattern hair loss: therapeutic update. Review

Anais brasileiros de … 2023 29 件の引用

Androgenetic alopecia in transgender and gender diverse populations: A review of therapeutics. Review

Journal of the … 2023 24 件の引用

Use of 5-Alpha Reductase Inhibitors in Dermatology: A Narrative Review. Review

Dermatology and therapy 2023 23 件の引用

Medical and procedural treatment of androgenetic alopecia - Where are we? Review

Journal of the … 2023 20 件の引用

Comparing Current Therapeutic Modalities of Androgenic Alopecia: A Literature Review of Clinical Trials. Review

Cureus 2023 17 件の引用

Potential application of PBM use in hair follicle organoid culture for the treatment of androgenic alopecia. Review

Materials today. Bio 2023 13 件の引用

Evaluating 5 alpha reductase inhibitors for the treatment of male androgenic alopecia. Other

Expert opinion on … 2023 11 件の引用

Topical Finasteride: A Comprehensive Review of Androgenetic Alopecia Management for Men and Women. Review

Cureus 2023 10 件の引用

Efficacy of Low-Level Laser Therapy in Androgenetic Alopecia - A Randomized Controlled Trial. Other

International journal of … 2023 10 件の引用

A systematic review of clinical trials using single or combination therapy of oral or topical finasteride for women in reproductive … Systematic Review

Advances in clinical … 2023 10 件の引用

Comparative effects of finasteride and minoxidil on the male reproductive organs: A systematic review of in vitro and in vivo … Systematic Review

Toxicology and applied … 2023 8 件の引用

Real-World, Open-Label Study of the Efficacy and Safety of a Novel Serum in Androgenetic Alopecia. Other

Journal of drugs … 2023 8 件の引用

Topical Delivery of Atraric Acid Derived from Stereocaulon japonicum with Enhanced Skin Permeation and Hair Regrowth Activity for Androgenic Alopecia. Other

Pharmaceutics 2023 8 件の引用

Effect of platelet counts and activator in platelet-rich plasma on the treatment of androgenetic alopecia, split-head comparison: A randomised, double-blind … RCT

Indian journal of … 2023 6 件の引用

Clinical study on the efficacy and tolerability of a topical regenerative treatment in patients with telogen effluvium and mild androgenetic … Other

Journal of cosmetic … 2023 6 件の引用

Mesotherapy with dutasteride for androgenetic alopecia: a concise review of the literature. Review

European journal of … 2023 5 件の引用

Platelet-Rich Plasma in Androgenetic Alopecia: Is It Really Worth the Hype? Other

International journal of … 2023 5 件の引用

Platelet Rich Plasma Combination Therapies for Treatment of Androgenetic Alopecia: A Systematic Review. Review

Journal of cutaneous … 2023 5 件の引用

Pediatric androgenetic alopecia: an updated review. Review

Journal der Deutschen … 2023 5 件の引用

Oral supplementation in female telogen effluvium: a clinical and instrumental objective evidence of efficacy and tolerability of new oral cosmetic … Other

Italian journal of … 2023 3 件の引用

Combination therapy in female pattern hair loss. Review

Journal of cosmetic … 2023 3 件の引用

Inverse androgenic alopecia. Case Report

BMJ case reports 2023 2 件の引用

Noninvasive Hair Rejuvenation. Review

Clinics in plastic … 2023 1 件の引用

TH07 - A New Novel Topical Treatment for Androgenic Alopecia. Other

International journal of … 2023 1 件の引用

Efficacy and safety of topical finasteride spray solution for male androgenetic alopecia: a phase III, randomized, controlled clinical trial. RCT

Journal of the … 2022 96 件の引用

Comparison of oral minoxidil, finasteride, and dutasteride for treating androgenetic alopecia. Review

The Journal of … 2022 83 件の引用

Relative Efficacy of Minoxidil and the 5-α Reductase Inhibitors in Androgenetic Alopecia Treatment of Male Patients: A Network Meta-analysis. Meta-Analysis

JAMA dermatology 2022 69 件の引用

Finasteride for hair loss: a review. Review

The Journal of … 2022 65 件の引用

Topical finasteride for the treatment of male androgenetic alopecia and female pattern hair loss: a review of the current literature. Review

The Journal of … 2022 51 件の引用

Advances in hair growth. Review

Faculty reviews 2022 44 件の引用

Natural products for male androgenetic alopecia. Review

Dermatologic therapy 2022 41 件の引用

Efficacy of non-surgical treatments for androgenetic alopecia in men and women: a systematic review with network meta-analyses, and an assessment … Meta-Analysis

The Journal of … 2022 40 件の引用

Advancing Regenerative Cellular Therapies in Non-Scarring Alopecia. Review

Pharmaceutics 2022 36 件の引用

Association of 5α-Reductase Inhibitors With Dementia, Depression, and Suicide. Other

JAMA network open 2022 32 件の引用

Topical finasteride for male and female pattern hair loss: Is it a safe and effective alternative? Review

Journal of cosmetic … 2022 29 件の引用

Nanostructured Drug Delivery Systems for Targeting 5-α-Reductase Inhibitors to the Hair Follicle. Review

Pharmaceutics 2022 23 件の引用

Long-Term Effectiveness and Safety of Dutasteride versus Finasteride in Patients with Male Androgenic Alopecia in South Korea: A Multicentre Chart … Other

Annals of dermatology 2022 19 件の引用

The physiological and pharmacological roles of prostaglandins in hair growth. Review

The Korean journal … 2022 19 件の引用

Systematic review: The platelet-rich plasma use in female androgenetic alopecia as effective autologous treatment of regenerative plastic surgery. Systematic Review

Journal of plastic, … 2022 18 件の引用

Frontal edema due to mesotherapy for androgenetic alopecia: A case series. Other

Dermatologic therapy 2022 14 件の引用

Hair regrowth treatment efficacy and resistance in androgenetic alopecia: A systematic review and continuous Bayesian network meta-analysis. Systematic Review

Frontiers in medicine 2022 14 件の引用

Microneedling plus topical dutasteride solution for androgenetic alopecia: a randomized placebo-controlled study. RCT

Journal of the … 2022 11 件の引用

Post-Finasteride Syndrome. Literature Review. Review

Archivos espanoles de … 2022 9 件の引用

Evaluating the Efficacy of Platelet Rich Plasma and 1550 nm Fractional Laser in Combination and Alone for the Management of … Other

Journal of drugs … 2022 9 件の引用

Caffeic acid N-[3,5-bis(trifluoromethyl)phenyl] amide as a non-steroidal inhibitor for steroid 5α-reductase type 1 using a human keratinocyte cell-based assay and … Other

Scientific reports 2022 6 件の引用

Association between serum zinc levels and androgenetic alopecia: a systematic review and meta-analysis. Meta-Analysis

Journal of cosmetic … 2022 5 件の引用

Observation on the Efficacy of a Combined Treatment for Moderate and Severe Androgenetic Alopecia Incorporating Electric Microneedles. Other

Clinical, cosmetic and … 2022 3 件の引用

Biomaterials for Treatment of Baldness. Review

Cureus 2022 3 件の引用

A new combination of molecules for the treatment of androgenetic alopecia and telogen effluvium: a double-blind randomized, monocentric, placebo-controlled study. RCT

Italian journal of … 2022 2 件の引用

Noninvasive Hair Rejuvenation. Review

Facial plastic surgery … 2022

Treatment options for androgenetic alopecia: Efficacy, side effects, compliance, financial considerations, and ethics. Review

Journal of cosmetic … 2021 315 件の引用

Role of Low-Level Light Therapy (LLLT) in Androgenetic Alopecia. Review

Journal of cutaneous … 2021 44 件の引用

Pediatric androgenetic alopecia: A review. Review

Journal of the … 2021 42 件の引用

Platelet-Rich Plasma with Microneedling in Androgenetic Alopecia: Study of Efficacy of the Treatment and the Number of Sessions Required. Other

Journal of cutaneous … 2021 18 件の引用

An evaluation of the federal adverse events reporting system data on adverse effects of 5-alpha reductase inhibitors. Other

World journal of … 2021 15 件の引用

Safety and efficacy of ALRV5XR in women with androgenetic alopecia or telogen effluvium: A randomised, double-blinded, placebo-controlled clinical trial. Other

EClinicalMedicine 2021 14 件の引用

A review of the treatment of male pattern hair loss. Review

Expert opinion on … 2020 147 件の引用

Systematic Review of Platelet-Rich Plasma Use in Androgenetic Alopecia Compared with Minoxidil®, Finasteride®, and Adult Stem Cell-Based Therapy. Systematic Review

International journal of … 2020 136 件の引用

Post-finasteride syndrome: a surmountable challenge for clinicians. Review

Fertility and sterility 2020 94 件の引用

Post-finasteride syndrome: An emerging clinical problem. Other

Neurobiology of stress 2020 72 件の引用

Finasteride and Its Potential for the Treatment of Female Pattern Hair Loss: Evidence to Date. Review

Drug design, development … 2020 66 件の引用

5-Alpha reductase inhibitors in androgenetic alopecia: Shifting paradigms, current concepts, comparative efficacy, and safety. Review

Dermatologic therapy 2020 60 件の引用

Health Risks Associated with Long-Term Finasteride and Dutasteride Use: It's Time to Sound the Alarm. Review

The world journal … 2020 51 件の引用

Effectiveness and Safety of Botulinum Toxin Type A in the Treatment of Androgenetic Alopecia. RCT

BioMed research international 2020 49 件の引用

Micro needling: A novel therapeutic approach for androgenetic alopecia, A Review of Literature. Review

Dermatologic therapy 2020 42 件の引用

Consequences of steroid-5α-reductase deficiency and inhibition in vertebrates. Review

General and comparative … 2020 37 件の引用

A Systemic Review on Topical Marketed Formulations, Natural Products, and Oral Supplements to Prevent Androgenic Alopecia: A Review. Review

Natural products and … 2020 36 件の引用

Efficacy of Intralesional and Oral Dutasteride in the Treatment of Androgenetic Alopecia: A Systematic Review. Review

Skin appendage disorders 2020 35 件の引用

Topical ketoconazole for the treatment of androgenetic alopecia: A systematic review. Systematic Review

Dermatologic therapy 2020 34 件の引用

The effectiveness of combination therapies for androgenetic alopecia: A systematic review and meta-analysis. Meta-Analysis

Dermatologic therapy 2020 30 件の引用

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Aesthetic plastic surgery 2020 25 件の引用

Topical Antiandrogen Therapies for Androgenetic Alopecia and Acne Vulgaris. Review

American journal of … 2020 24 件の引用

Physiology and Medical Treatments for Alopecia. Review

Facial plastic surgery … 2020 15 件の引用

Androgenetic Alopecia in Gender Minority Patients. Review

Dermatologic clinics 2020 15 件の引用

Herbal Medicines For Treatment of Androgenic Alopecia. Review

Alternative therapies in … 2020 11 件の引用

Association Between 5-Alpha Reductase Inhibitor Use and The Risk of Depression: A Meta-Analysis. Meta-Analysis

Urology journal 2020 7 件の引用

Evaluation of the effect of autologous platelet-rich plasma on androgenic alopecia. Other

Journal of cosmetic … 2020 6 件の引用

Prescribing Habits for Androgenic Alopecia among Dermatologists in Spain in 2019-2020: A Cross-Sectional Study. Other

Skin appendage disorders 2020 6 件の引用

RF-Mesotherapy With Dutasteride: A Future Alternative Treatment for Androgenetic Alopecia. Other

Actas dermo-sifiliograficas 2020 4 件の引用

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Dermatologic therapy 2019 124 件の引用

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International journal of … 2019 104 件の引用

An overview of herbal alternatives in androgenetic alopecia. Review

Journal of cosmetic … 2019 100 件の引用

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Journal of the … 2019 95 件の引用

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Journal of the … 2019 55 件の引用

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The world journal … 2019 36 件の引用

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Sexual medicine reviews 2019 26 件の引用

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Assay and drug … 2019 19 件の引用

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The aging male … 2019 19 件の引用

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Journal of cosmetic … 2019 14 件の引用

Platelet rich plasma for the management of hair loss: Better alone or in combination? Other

Journal of cosmetic … 2019 13 件の引用

Self-Assessments of Standardized Scalp Massages for Androgenic Alopecia: Survey Results. Other

Dermatology and therapy 2019 7 件の引用

An investigation of vitamin and mineral supplement recommendation among first-trimester pregnancies. Other

Journal of perinatal … 2019 5 件の引用

Methods of treatment patients with androgenetic alopecia based on reference of Department of Dermatology in Cracow. Other

Polski merkuriusz lekarski … 2019 4 件の引用

Evidence-based (S3) guideline for the treatment of androgenetic alopecia in women and in men - short version. Other

Journal of the … 2018 248 件の引用

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International journal of … 2018 129 件の引用

A Systematic Review of Topical Finasteride in the Treatment of Androgenetic Alopecia in Men and Women. Systematic Review

Journal of drugs … 2018 116 件の引用

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Journal of the … 2018 94 件の引用

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International journal of … 2018 93 件の引用

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Journal of the … 2018 80 件の引用

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Indian journal of … 2018 79 件の引用

Low-level laser therapy for the treatment of androgenic alopecia: a review. Meta-Analysis

Lasers in medical … 2018 75 件の引用

Guidelines for the diagnosis and treatment of male-pattern and female-pattern hair loss, 2017 version. Other

The Journal of … 2018 69 件の引用

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Expert opinion on … 2018 38 件の引用

Proprietary Herbal Extract Downregulates the Gene Expression of IL-1α in HaCaT Cells: Possible Implications Against Nonscarring Alopecia. Other

Medical archives (Sarajevo, … 2018 16 件の引用

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Journal of cosmetic … 2018 13 件の引用

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Actas dermo-sifiliograficas 2018 9 件の引用

Determination of illegal adulteration of dietary supplements with synthetic hair-growth compounds by UPLC and LC-Q-TOF/MS. Other

Food additives & … 2018 4 件の引用

Androgenetic alopecia: a review. Systematic Review

Endocrine 2017 442 件の引用

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Journal of the … 2017 343 件の引用

Interventions for Female Pattern Hair Loss. Other

JAMA dermatology 2017 121 件の引用

Superiority of dutasteride over finasteride in hair regrowth and reversal of miniaturization in men with androgenetic alopecia: A randomized controlled … RCT

Indian journal of … 2017 71 件の引用

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Sexual side effects of 5-α-reductase inhibitors finasteride and dutasteride: A comprehensive review. Review

Dermatology online journal 2017 49 件の引用

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Skin pharmacology and … 2017 42 件の引用

A Critical Assessment of the Evidence for Low-Level Laser Therapy in the Treatment of Hair Loss. Review

Dermatologic surgery : … 2017 39 件の引用

New Treatments for Hair Loss. Review

Actas dermo-sifiliograficas 2017 17 件の引用

Change in Prostate Specific Antigen Concentration in Men with Prostate Specific Antigen Less than 2.5 ng/ml Taking Low Dose Finasteride … Other

The Journal of … 2017 4 件の引用

[What is the value of low-energie lasers in the treatment of androgenetic alopecia ?]. Review

Revue medicale de … 2017

The Diagnosis and Treatment of Hair and Scalp Diseases. Review

Deutsches Arzteblatt international 2016 99 件の引用

A new label-free screen for steroid 5α-reductase inhibitors using LC-MS. Other

Steroids 2016 20 件の引用

Human Mesenchymal Stem Cell-Derived Conditioned Media for Hair Regeneration Applications. Review

Journal of stem … 2016 20 件の引用

Interventions for female pattern hair loss. Meta-Analysis

The Cochrane database … 2016 18 件の引用

Atypical post-finasteride syndrome: A pharmacological riddle. Case Report

Indian journal of … 2016 8 件の引用

Response to Microneedling Treatment in Men with Androgenetic Alopecia Who Failed to Respond to Conventional Therapy. Other

Indian journal of … 2015 111 件の引用

Selected Disorders of Skin Appendages--Acne, Alopecia, Hyperhidrosis. Review

The Medical clinics … 2015 66 件の引用

Female pattern alopecia and telogen effluvium: figuring out diffuse alopecia. Other

Seminars in cutaneous … 2015 27 件の引用

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Current problems in … 2015 8 件の引用

[Drug treatment of alopecia]. Other

Der Internist 2015

Low-level laser (light) therapy (LLLT) for treatment of hair loss. Review

Lasers in surgery … 2014 243 件の引用

Platelet-rich plasma in androgenic alopecia: myth or an effective tool. Other

Journal of cutaneous … 2014 168 件の引用

A randomized, active- and placebo-controlled study of the efficacy and safety of different doses of dutasteride versus placebo and finasteride … RCT

Journal of the … 2014 160 件の引用

Potential targets in the discovery of new hair growth promoters for androgenic alopecia. Review

Expert opinion on … 2014 91 件の引用

The efficacy and safety of 5α-reductase inhibitors in androgenetic alopecia: a network meta-analysis and benefit-risk assessment of finasteride and dutasteride. Meta-Analysis

The Journal of … 2014 87 件の引用

Effect of pumpkin seed oil on hair growth in men with androgenetic alopecia: a randomized, double-blind, placebo-controlled trial. Other

Evidence-based complementary and … 2014 86 件の引用

Use of low-level laser therapy as monotherapy or concomitant therapy for male and female androgenetic alopecia. Other

International journal of … 2014 63 件の引用

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Expert opinion on … 2014 57 件の引用

Effect of dutasteride 0.5 mg/d in men with androgenetic alopecia recalcitrant to finasteride. Other

International journal of … 2014 52 件の引用

The effectiveness of finasteride and dutasteride used for 3 years in women with androgenetic alopecia. Other

Indian journal of … 2014 48 件の引用

5α-Reductase inhibitors in androgenetic alopecia. Review

Current opinion in … 2014 43 件の引用

Evidence for supplemental treatments in androgenetic alopecia. Other

Journal of drugs … 2014 26 件の引用

Androgenetic alopecia. Review

Giornale italiano di … 2014 8 件の引用

Androgenetic alopecia: an update. Review

Indian journal of … 2013 196 件の引用

Pattern hair loss in men: diagnosis and medical treatment. Review

Dermatologic clinics 2013 78 件の引用

Hair loss and herbs for treatment. Review

Journal of cosmetic … 2013 62 件の引用

Nonsurgical therapy for hair loss. Review

Facial plastic surgery … 2013 16 件の引用

Female pattern alopecia: current perspectives. Review

International journal of … 2013

Role of 5α-reductase inhibitors in androgen-stimulated skin disorders. Review

Journal of drugs … 2013

Side Effects of 5-Alpha Reductase Inhibitors: A Comprehensive Review. Review

Sexual medicine reviews 2013

Promising therapies for treating and/or preventing androgenic alopecia. Review

Skin therapy letter 2012 100 件の引用

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International journal of … 2012 69 件の引用

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Cutis 2012

Hair loss in women: medical and cosmetic approaches to increase scalp hair fullness. Review

The British journal … 2011 96 件の引用

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Evidence-based complementary and … 2011 27 件の引用

Adolescent androgenic alopecia. Other

Cutis 2011

Pilot Study of 15 Patients Receiving a New Treatment Regimen for Androgenic Alopecia: The Effects of Atopy on AGA. Other

ISRN dermatology 2011

Male androgenetic alopecia. Review

Expert opinion on … 2010 264 件の引用

Types of hair loss and treatment options, including the novel low-level light therapy and its proposed mechanism. Review

Southern medical journal 2010 66 件の引用

Update on the pathogenesis, genetics and medical treatment of patterned hair loss. Review

Journal of drugs … 2010

Androgens and hair loss. Review

Current opinion in … 2009 54 件の引用

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Seminars in cutaneous … 2009 4 件の引用

Diagnosing and treating hair loss. Review

American family physician 2009

[Hair follicle regeneration]. Review

Nihon rinsho. Japanese … 2008 6 件の引用

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Dermatology online journal 2008

Androgenetic alopecia. Review

Endocrinology and metabolism … 2007 33 件の引用

[Effectiveness of the treatment plan for androgenetic alopecia]. Other

Georgian medical news 2007

Psychological effect, pathophysiology, and management of androgenetic alopecia in men. Review

Mayo Clinic proceedings 2005

Effective treatment of female androgenic alopecia with dutasteride. Case Report

Journal of drugs … 2005

Androgenetic alopecia and current methods of treatment. Review

Acta dermatovenerologica Alpina, … 2005

Ketocazole as an adjunct to finasteride in the treatment of androgenetic alopecia in men. Other

Medical hypotheses 2004 21 件の引用

[Androgenetic alopecia]. Review

Revue medicale de … 2004

[Hair loss]. Other

Praxis 2003 28 件の引用

Common hair loss disorders. Review

American family physician 2003

Comparative efficacy of various treatment regimens for androgenetic alopecia in men. RCT

The Journal of … 2002 96 件の引用

Androgens and alopecia. Review

Molecular and cellular … 2002

Androgenetic alopecia: pathogenesis and potential for therapy. Review

Expert reviews in … 2002

Practical recommendations for the use of ACE inhibitors, beta-blockers and spironolactone in heart failure: putting guidelines into practice. Other

European journal of … 2001 67 件の引用

Treatments for androgenetic alopecia and alopecia areata: current options and future prospects. Review

Drugs 2001 48 件の引用

Management of androgenetic alopecia. Review

American journal of … 2000 18 件の引用

Male pattern baldness. Review

Southern medical journal 2000

The effects of finasteride on scalp skin and serum androgen levels in men with androgenetic alopecia. RCT

Journal of the … 1999 203 件の引用

Androgenetic alopecia. Review

International journal of … 1999

Medical treatments for balding in men. Review

American family physician 1999

The psychosocial consequences of androgenetic alopecia: a review of the research literature. Review

The British journal … 1999

Management of androgenetic alopecia. Review

Journal of the … 1999

Current aspects of antiandrogen therapy in women. Review

Current pharmaceutical design 1999

Clinical dose ranging studies with finasteride, a type 2 5alpha-reductase inhibitor, in men with male pattern hair loss. RCT

Journal of the … 1999

Androgenetic alopecia: overview. Review

Journal of cutaneous … 1999

Finasteride in the treatment of men with androgenetic alopecia. Finasteride Male Pattern Hair Loss Study Group. RCT

Journal of the … 1998 593 件の引用

Hair regrowth. Therapeutic agents. Review

Dermatologic clinics 1998 121 件の引用

[Androgenetic alopecia]. Review

Annales de dermatologie … 1997

Dosage & Usage

mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units

一般的な使用量

hairloss:: 1 mg/day oral

上限量： 5 mg/day (BPH dose)

研究で検討された用量

用量	期間	効果	N
None	--	Neutral	--
None	--	Neutral	--
Mild group: microneedling alone (8 weeks); Moderate group: microneedling + 5% minoxidil (12 weeks);	16 weeks	Positive	60
Group A: topical finasteride 1% solution; Group B: topical spironolactone 5% solution; Group C: topi	16 weeks	Positive	45
None	--	Positive	--
Group A: 5% Minoxidil alone; Group B: 5% Minoxidil + Finasteride; Group C: Microneedling + 5% Minoxi	--	Positive	45
None	--	Positive	--
various across included studies (2015-2024)	--	Positive	--

推奨摂取タイミング： Once daily at the same time, with or without food

Safety & Side Effects

報告されている副作用

⚠ Decreased libido (2-4% of users)
⚠ Erectile dysfunction (1-3% of users)
⚠ Decreased ejaculate volume
⚠ Breast tenderness or gynecomastia (rare)
⚠ Depression or mood changes (rare, debated)

既知の相互作用

● No significant drug-drug interactions identified
● May affect PSA test results (reduces PSA by ~50%)
● Contraindicated in pregnancy (Category X teratogen)

耐容上限摂取量： 5 mg/day (BPH dose)

サプリメントの摂取を開始する前に、必ず医療専門家にご相談ください。

Frequently Asked Questions

Does フィナステリド help with 男性型・女性型脱毛症（AGA）?

Based on 206 studies with 24,777 participants, there is strong evidence from multiple clinical trials that フィナステリド may support 男性型・女性型脱毛症（AGA） management. Our evidence grade is A (Strong Evidence).

How much フィナステリド should I take for 男性型・女性型脱毛症（AGA）?

Studies have used various dosages. A commonly studied range is 1 mg/day oral. Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of フィナステリド?

Reported side effects may include Decreased libido (2-4% of users), Erectile dysfunction (1-3% of users), Decreased ejaculate volume, Breast tenderness or gynecomastia (rare). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

How strong is the evidence for フィナステリド and 男性型・女性型脱毛症（AGA）?

We rate the evidence as Grade A (Strong Evidence). This rating is based on 206 peer-reviewed studies with 24,777 total participants. The overall direction of effect is positive.

Related Evidence

に関する他の成分：男性型・女性型脱毛症（AGA）

ミノキシジル A PRP療法 A デュタステリド A オメガ3脂肪酸 A マイクロニードリング A 低出力レーザー治療 A

総合評価

合計18,623名の参加者を対象とした129件の研究（メタアナリシス16件、RCT 13件を含む）に基づく。129件中106件の研究で肯定的な効果が示されている。

Evidence Strength92%

High confidence

研究の内訳

RCT (20)Meta (17)Other (169)

代替成分との比較

この症状に対する他の成分との比較をご覧ください。

に関するすべての成分を見る：男性型・女性型脱毛症（AGA）

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FDAに関する免責事項: これらの記述は米国食品医薬品局（FDA）による評価を受けていません。本ウェブサイトの製品および情報は、疾病の診断、治療、治癒、または予防を目的としたものではありません。表示されているエビデンスグレードは、公開された査読済み研究の分析に基づいており、医療上の助言を構成するものではありません。サプリメントの摂取を開始する前に、必ず医療専門家にご相談ください。

フィナステリド ： 男性型・女性型脱毛症（AGA）

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結論

Key Study Findings

Key Statistics

Referenced Papers

Dosage & Usage

一般的な使用量

研究で検討された用量

Safety & Side Effects

報告されている副作用

既知の相互作用

Frequently Asked Questions

Related Evidence

に関する他の成分： 男性型・女性型脱毛症（AGA）

フィナステリド：男性型・女性型脱毛症（AGA）

に関する他の成分：男性型・女性型脱毛症（AGA）