To learn everything you need to know about tretinoin—from the benefits and side effects to my personal experience—keep reading. Tretinoin, a vitamin A derivative, is a powerful, topical ...

She says, "You should not be applying tretinoin like this directly on your scalp," adding what harmful effects this may have, "It is only going to give you more irritation or post-inflammatory ...

Tretinoin has several benefits. As Dr. John Lowe at Restore Care explains, the medicine can reduce swelling, stop the ...