THE DEFINITIVE GUIDE TO SKINCARE

Why professionals love it: "I really like the blend of azelaic acid, licorice root, and relaxing substances in this serum that can help even discoloration and quiet the pores and skin." — Caroline Robinson, MD, Dermatologist and Founder of ToneDoubling as per day and evening product, L'Oréal's GH Magnificence Award-successful formulation succes