Finasteride para Alopecia Androgenética

Q: Does Finasteride help with Alopecia Androgenética?

Based on 206 studies with 24,777 participants, there is strong evidence from multiple clinical trials that Finasteride may support Alopecia Androgenética management. Our evidence grade is A (Strong Evidence).

Q: How much Finasteride should I take for Alopecia Androgenética?

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 Finasteride?

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 Finasteride and Alopecia Androgenética?

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.

Baseado em 129 estudos (16 meta-analyses, 13 RCTs) com 18,623 participantes no total. 106/129 estudos mostram efeitos positivos.

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Conclusão

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 Efeito: None None

População: 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 Efeito: None None

População: 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 Efeito: 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 Efeito: 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 Efeito: 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 Efeito: Hair density and hair shaft diameter increased in all groups; Group C superior to Group A in Norwood p<0.01

Key Statistics

206

Estudos

24777

Participantes

↑

Positive

Nota

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 citações

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 citações

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

Expert opinion on … 2025 11 citações

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 citações

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

Expert opinion on … 2025 10 citações

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

PloS one 2025 8 citações

Male androgenetic alopecia. Review

Anais brasileiros de … 2025 7 citações

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

Regenerative therapy 2025 7 citações

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

Drug design, development … 2025 7 citações

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 citações

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 citações

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

Cureus 2025 5 citações

Post-finasteride syndrome - a true clinical entity? Review

International journal of … 2025 5 citações

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 citações

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 citações

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

Therapeutic delivery 2025 4 citações

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

Journal of medicinal … 2025 4 citações

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

Expert opinion on … 2025 3 citações

Finasteride Use: Evaluation of Depression and Suicide Risk. Other

Journal of cosmetic … 2025 3 citações

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 citações

Research progress on the pathogenesis of androgenetic alopecia. Review

European journal of … 2025 3 citações

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 citações

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 citações

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 citações

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 citações

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

Journal of cutaneous … 2025 2 citações

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

Frontiers in bioinformatics 2025 2 citações

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

Frontiers in pharmacology 2025 2 citações

Male and female pattern hair loss. Review

Australian prescriber 2025 2 citações

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

Biomolecules 2025 2 citações

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 citações

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

Journal of the … 2025 2 citações

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

ACS applied materials … 2025 2 citações

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 citações

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

Journal of medical … 2025 1 citações

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

Cells, tissues, organs 2025 1 citações

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

Journal of plastic, … 2025 1 citações

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 citações

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 citações

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 citações

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 citações

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

Skin appendage disorders 2025 1 citações

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 citações

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 citações

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

Journal of controlled … 2024 30 citações

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 citações

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

Biomedicines 2024 17 citações

Androgenetic Alopecia in Men: An Update On Genetics. Review

Indian journal of … 2024 14 citações

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

Dermatology (Basel, Switzerland) 2024 14 citações

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 citações

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

Journal of cosmetic … 2024 11 citações

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

Journal of clinical … 2024 11 citações

Physical Treatments and Therapies for Androgenetic Alopecia. Review

Journal of clinical … 2024 10 citações

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

European urology focus 2024 10 citações

Medical Treatment for Androgenetic Alopecia. Other

Facial plastic surgery … 2024 8 citações

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

Expert opinion on … 2024 8 citações

Hair Loss: Diagnosis and Treatment. Review

American family physician 2024 8 citações

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

Photodermatology, photoimmunology & … 2024 8 citações

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

Journal of cosmetic … 2024 8 citações

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 citações

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 citações

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 citações

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

Expert opinion on … 2024 7 citações

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 citações

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 citações

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

Pharmaceutical nanotechnology 2024 5 citações

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

International journal of … 2024 5 citações

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

Archives of dermatological … 2024 4 citações

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 citações

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 citações

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

International journal of … 2024 3 citações

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 citações

Androgenetic Alopecia: Therapy Update. Review

Drugs 2023 221 citações

Androgenetic alopecia: An update. Review

JAAD international 2023 80 citações

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

Clinical, cosmetic and … 2023 58 citações

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

American journal of … 2023 41 citações

Female-pattern hair loss: therapeutic update. Review

Anais brasileiros de … 2023 29 citações

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

Journal of the … 2023 24 citações

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

Dermatology and therapy 2023 23 citações

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

Journal of the … 2023 20 citações

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

Cureus 2023 17 citações

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

Materials today. Bio 2023 13 citações

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

Expert opinion on … 2023 11 citações

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

Cureus 2023 10 citações

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

International journal of … 2023 10 citações

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 citações

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 citações

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

Journal of drugs … 2023 8 citações

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

Pharmaceutics 2023 8 citações

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 citações

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 citações

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

European journal of … 2023 5 citações

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

International journal of … 2023 5 citações

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

Journal of cutaneous … 2023 5 citações

Pediatric androgenetic alopecia: an updated review. Review

Journal der Deutschen … 2023 5 citações

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 citações

Combination therapy in female pattern hair loss. Review

Journal of cosmetic … 2023 3 citações

Inverse androgenic alopecia. Case Report

BMJ case reports 2023 2 citações

Noninvasive Hair Rejuvenation. Review

Clinics in plastic … 2023 1 citações

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

International journal of … 2023 1 citações

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 citações

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

The Journal of … 2022 83 citações

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 citações

Finasteride for hair loss: a review. Review

The Journal of … 2022 65 citações

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 citações

Advances in hair growth. Review

Faculty reviews 2022 44 citações

Natural products for male androgenetic alopecia. Review

Dermatologic therapy 2022 41 citações

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 citações

Advancing Regenerative Cellular Therapies in Non-Scarring Alopecia. Review

Pharmaceutics 2022 36 citações

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

JAMA network open 2022 32 citações

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

Journal of cosmetic … 2022 29 citações

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

Pharmaceutics 2022 23 citações

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 citações

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

The Korean journal … 2022 19 citações

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 citações

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

Dermatologic therapy 2022 14 citações

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 citações

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

Journal of the … 2022 11 citações

Post-Finasteride Syndrome. Literature Review. Review

Archivos espanoles de … 2022 9 citações

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 citações

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 citações

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

Journal of cosmetic … 2022 5 citações

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

Clinical, cosmetic and … 2022 3 citações

Biomaterials for Treatment of Baldness. Review

Cureus 2022 3 citações

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 citações

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 citações

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

Journal of cutaneous … 2021 44 citações

Pediatric androgenetic alopecia: A review. Review

Journal of the … 2021 42 citações

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 citações

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

World journal of … 2021 15 citações

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 citações

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

Expert opinion on … 2020 147 citações

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 citações

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

Fertility and sterility 2020 94 citações

Post-finasteride syndrome: An emerging clinical problem. Other

Neurobiology of stress 2020 72 citações

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

Drug design, development … 2020 66 citações

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

Dermatologic therapy 2020 60 citações

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

The world journal … 2020 51 citações

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

BioMed research international 2020 49 citações

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

Dermatologic therapy 2020 42 citações

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

General and comparative … 2020 37 citações

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

Natural products and … 2020 36 citações

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

Skin appendage disorders 2020 35 citações

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

Dermatologic therapy 2020 34 citações

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

Dermatologic therapy 2020 30 citações

The Efficacy and Safety of Finasteride Combined with Topical Minoxidil for Androgenetic Alopecia: A Systematic Review and Meta-analysis. Meta-Analysis

Aesthetic plastic surgery 2020 25 citações

Topical Antiandrogen Therapies for Androgenetic Alopecia and Acne Vulgaris. Review

American journal of … 2020 24 citações

Physiology and Medical Treatments for Alopecia. Review

Facial plastic surgery … 2020 15 citações

Androgenetic Alopecia in Gender Minority Patients. Review

Dermatologic clinics 2020 15 citações

Herbal Medicines For Treatment of Androgenic Alopecia. Review

Alternative therapies in … 2020 11 citações

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

Urology journal 2020 7 citações

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

Journal of cosmetic … 2020 6 citações

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

Skin appendage disorders 2020 6 citações

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

Actas dermo-sifiliograficas 2020 4 citações

Physiopathology and current treatments of androgenetic alopecia: Going beyond androgens and anti-androgens. Review

Dermatologic therapy 2019 124 citações

Platelet-rich plasma for androgenetic alopecia: A review of the literature and proposed treatment protocol. Review

International journal of … 2019 104 citações

An overview of herbal alternatives in androgenetic alopecia. Review

Journal of cosmetic … 2019 100 citações

Androgens in women: Androgen-mediated skin disease and patient evaluation. Review

Journal of the … 2019 95 citações

Adverse Sexual Effects of Treatment with Finasteride or Dutasteride for Male Androgenetic Alopecia: A Systematic Review and Meta-analysis. Meta-Analysis

Acta dermato-venereologica 2019 63 citações

The efficacy and safety of dutasteride compared with finasteride in treating men with androgenetic alopecia: a systematic review and meta-analysis. Systematic Review

Clinical interventions in … 2019 57 citações

Androgens in women: Hormone-modulating therapies for skin disease. Review

Journal of the … 2019 55 citações

Finasteride and Erectile Dysfunction in Patients with Benign Prostatic Hyperplasia or Male Androgenetic Alopecia. Review

The world journal … 2019 36 citações

Sexual Problems of Men With Androgenic Alopecia Treated With 5-Alpha Reductase Inhibitors. Review

Sexual medicine reviews 2019 26 citações

Discovery of Natural Steroid 5 Alpha-Reductase Inhibitors. Review

Assay and drug … 2019 19 citações

Post-finasteride syndrome - does it really exist? Review

The aging male … 2019 19 citações

The rise of transcutaneous drug delivery for the management of alopecia: a review of existing literature and an eye towards … Review

Journal of cosmetic … 2019 14 citações

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

Journal of cosmetic … 2019 13 citações

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

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Dosage & Usage

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

Dosagens Comumente Utilizadas

hairloss:: 1 mg/day oral

Limite superior: 5 mg/day (BPH dose)

Dosagens Estudadas em Pesquisas

Dosagem	Duração	Efeito	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	--

Melhor horário: Once daily at the same time, with or without food

Safety & Side Effects

Efeitos Colaterais Relatados

⚠ 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)

Interações Conhecidas

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

Ingestão máxima tolerável: 5 mg/day (BPH dose)

Consulte sempre o seu profissional de saúde antes de iniciar qualquer suplemento.Sempre consulte seu profissional de saúde antes de iniciar qualquer suplemento.

Frequently Asked Questions

Does Finasteride help with Alopecia Androgenética?

Based on 206 studies with 24,777 participants, there is strong evidence from multiple clinical trials that Finasteride may support Alopecia Androgenética management. Our evidence grade is A (Strong Evidence).

How much Finasteride should I take for Alopecia Androgenética?

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 Finasteride?

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 Finasteride and Alopecia Androgenética?

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

Outros ingredientes para Alopecia Androgenética

Minoxidil A Terapia PRP A Dutasteride A Ácidos graxos ômega-3 A Microagulhamento A Terapia a laser de baixa intensidade A

Veredito Rápido

Baseado em 129 estudos (16 meta-analyses, 13 RCTs) com 18,623 participantes no total. 106/129 estudos mostram efeitos positivos.

Evidence Strength92%

High confidence

Detalhamento dos Estudos

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

Comparar Alternativas

Veja como outros ingredientes se comparam para esta condição.

Ver todos os ingredientes para Alopecia Androgenética

Saiba Mais

Aviso Legal da FDA: Estas declarações não foram avaliadas pela Food and Drug Administration. Os produtos e informações neste site não se destinam a diagnosticar, tratar, curar ou prevenir qualquer doença. As notas de evidência apresentadas são baseadas em nossa análise de pesquisas revisadas por pares publicadas e não constituem aconselhamento médico. Sempre consulte seu profissional de saúde antes de iniciar qualquer regime de suplementação.