A member asked:

I read that accutane can cause hair loss due to vitamin a, but that topical tretinoin cream can cause hair regrowth. how does this make sense?

A doctor has provided 1 answer
Dr. Al Hegab answered

Specializes in Allergy and Immunology

It doesn't: Because this is not the case, may be with some anecdotal cases, but not the norm or a common effect or side effect, the drug works on the sebaceous glands not the hair follicles.

Answered 1/16/2016

1.7k views

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