Clascoterone (Breezula) for androgenetic alopecia - mechanism, evidence, comparison with Finasteride and who should use it. Dr. Arslan Musbeh.

How it works

Clascoterone is a topical competitive antagonist of androgen receptors at the hair follicle. Unlike Finasteride which reduces systemic DHT production, Clascoterone blocks DHT from binding to follicle receptors locally - without affecting systemic hormone levels. This makes it relevant for men concerned about Finasteride side effects and for women.

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Clinical evidence

Phase III trials showed statistically significant reduction in hair loss progression vs placebo at 24 weeks. The effect is stabilising - slows progression rather than reversing established baldness. It is not a surgical alternative and does not restore significant density in established bald areas.

Clascoterone vs Finasteride

FactorFinasteride 1mgClascoterone
MechanismReduces systemic DHT (oral)Blocks follicle receptors (topical)
EfficacyHigher (85% stabilisation)Moderate
Systemic side effectsPossible 1-2%Minimal to none
Use in womenContraindicatedPotentially appropriate

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Dr. Arslan Musbeh

Written & medically reviewed by

Dr. Arslan Musbeh

Hair Transplant Surgeon ยท Founder, Hairmedico
FUE Europe Member ยท Ministry of Health Accredited ยท 17+ Years ยท 3,000+ Personal Cases