Finasteride pour Alopécie Androgénétique

Q: Does Finasteride help with Alopécie Androgénétique?

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

Q: How much Finasteride should I take for Alopécie Androgénétique?

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 Alopécie Androgénétique?

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.

Basé sur 129 études (16 meta-analyses, 13 RCTs) avec 18,623 participants au total. 106/129 études montrent des effets positifs.

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En conclusion

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 Effet: None None

Population: 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 Effet: None None

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

Key Statistics

206

Études

24777

Participants

↑

Positive

Note

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Dosage & Usage

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

Posologies couramment utilisées

hairloss:: 1 mg/day oral

Limite supérieure : 5 mg/day (BPH dose)

Posologies étudiées dans la recherche

Posologie	Durée	Effet	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	--

Moment optimal de prise : Once daily at the same time, with or without food

Safety & Side Effects

Effets indésirables signalés

⚠ 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)

Interactions connues

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

Apport maximal tolérable : 5 mg/day (BPH dose)

Consultez toujours votre professionnel de santé avant de commencer tout complément alimentaire.Consultez toujours votre professionnel de santé avant de commencer tout complément alimentaire.

Frequently Asked Questions

Does Finasteride help with Alopécie Androgénétique?

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

How much Finasteride should I take for Alopécie Androgénétique?

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 Alopécie Androgénétique?

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

Autres ingrédients pour Alopécie Androgénétique

Minoxidil A Thérapie PRP A Dutasteride A Acides gras oméga-3 A Micro-aiguilles A Thérapie laser de faible intensité A

Verdict rapide

Basé sur 129 études (16 meta-analyses, 13 RCTs) avec 18,623 participants au total. 106/129 études montrent des effets positifs.

Evidence Strength92%

High confidence

Synthèse des études

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

Comparer les alternatives

Découvrez comment d'autres ingrédients se comparent pour cette condition.Découvrez comment d'autres ingrédients se comparent pour cette pathologie.

Voir tous les ingrédients pour Alopécie Androgénétique

En savoir plus

Avertissement FDA: Ces déclarations n'ont pas été évaluées par la Food and Drug Administration. Les produits et informations sur ce site ne sont pas destinés à diagnostiquer, traiter, guérir ou prévenir quelque maladie que ce soit. Les notes de preuve présentées sont basées sur notre analyse de la recherche publiée et évaluée par des pairs et ne constituent pas un avis médical. Consultez toujours votre professionnel de santé avant de commencer tout régime de compléments alimentaires.