Dwayne's answer to Is tretinoid or adapalene gel (differein) better for cystic acne? - Quora
Dwayne's answer: Adapalene and tretinoin are both efficient acne treatments, but which one is best for you will depend on your skin type and particular acne type. Tretinoin, a kind of vitamin A, inhibits the growth of new acne lesions and encour
