Exfoliation transformed my skin in my 30s. Here are 3 ways to exfoliate for glowing, smoother skin, like a dermatologist. Option 1 (for beginners or sensitive skin): Incorporate a gentle SA (salicylic acid) cleanser into your routine a few times per week and up to daily (like Cetaphil Gentle Exfoliating SA Cleanser). Use either in the AM or PM. Lather for 1 minute, then rinse off (if using in the PM, remove make-up with micellar water first). This is a great way to start exfoliating if you have