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A 17-year-old male 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?

1 doctor answer1 doctor weighed in
Dr. Al Hegab
Dr. Al Hegabanswered
Allergy and Immunology 41 years experience
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.
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Last updated Jan 16, 2016

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