Does Hair Loss Drug Propecia (Finasteride) Affect Facial Hair Growth?

This below question was asked by a member of our Hair Loss Social Community and Discussion Forums and answered by recommended hair restoration surgeon Dr. Wen-Yi Wu:

Does the hair loss medication Propecia affect beard hair growth?

Since Propecia (finasteride) is a DHT blocker, it would be reasonable to assume that DHT stimulates beard growth. Thus, blocking DHT (with finasteride) would tend to inhibit its growth.

In practice, this does not seem to be the case, i.e. we don’t find that the medical hair loss treatment Propecia has any effect on facial hair. The reason is not clear.

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