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Hair compoundsAuthorised medicine

Finasteride

A type II 5-alpha-reductase inhibitor authorised for male pattern hair loss and benign prostatic hyperplasia in dose-specific products.

Reference reviewed 5 September 2026 · No dosing or protocol information
01

What the name refers to

A type II 5-alpha-reductase inhibitor authorised for male pattern hair loss and benign prostatic hyperplasia in dose-specific products.

02

Evidence and regulatory context

At least one regulated medicine or indication exists for this active ingredient. Authorisation is tied to a particular formulation, manufacturer, indication and jurisdiction; it does not validate unrelated products using the same name.

03

Reading product records

Route, vehicle and concentration can materially change a topical product. A page about an approved oral or ophthalmic medicine does not automatically validate a compounded hair formulation or an unapproved research product using the same active ingredient.

04

Primary research links

Use current regulator and study records rather than treating a catalogue description as medical evidence.