IDEAL P.M. ROUTINE: You must wash your face thoroughly, as makeup and pollution play a big role in breakouts. No excuses! Follow up with a prescription retinoid like Retin-A-Micro, Differin, or Tazorac all over your face to prevent clogged pores. Scrub twice a week with Sephora Collection Skincare Smart Dual Action Exfoliator ($24), a duo of a gel and a T-zone cream that eliminate dead skin cells and excess oil and mattify skin.
DERM TIP: Prescription topical treatments for acne (like Differin) should be applied all over your face regardless of whether a blemish is present, explains Brandt. "By using the products to treat only active lesions, patients with oily skin chase the problem instead of preventing it," he says.
If You're Sensitive
YOUR BIGGEST MISTAKE: Using too many products with harsh ingredients that cause your skin to become inflamed. "Test glycolic, vitamin-C, and vitamin-A products on a small
