A member asked:

Retin a (tretinoin) for acne and blackheads ?

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Acne: Retin a (tretinoin) is a topical product usually dispensed as a cream or gel available in different strengths that is effective in reducing inflammatory (red) pimples and comedones (black heads and white heads). The product is drying and should be used sparingly. Caution with sun exposure. See a dermatologist for a treatment regimen.

Answered 4/1/2014

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