retinol guide

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No, Botox In Your Underarms Won't Make You Sweat Everywhere Else

Dr. Idriss answers the question we've all been wondering, plus more on actives for sensitive skin and what to do for hyperpigmentationRead more >

Top 25: Deeper Cuts

Shani Darden On Retinol Reform

Instead of testing on animals, why not disseminate new formulas to a handful of celebrities and see what happens?Read more >

Guide

The Retinoid FAQs

If you never want to have acne or show signs of aging, click hereRead more >