Obagi Professional-C Serum 15% - new in box! DESCRIPTION Supercharge your glow with a high-performance vitamin C. This powerful daily antioxidant serum is made with 15% pure L-ascorbic, the industry's gold standard of vitamin C to help defend all day from free radicals and works to brighten skin tone and reduce signs of past skin damage. Key Benefits: Formulation mastery, harnessing the power of L-ascorbic acid A powerful antioxidant that fortifies the skin barrier defenses to help brighten, renew, and reduce signs of previous visible damage Improves skin by minimizing the appearance of fine lines and wrinkles Instantly absorbs into the skin for lasting results* Fortifies skin’s defenses against free radicals & environmental stressors L-ASCORBIC ACID 15% Known as the purest form of Vitamin C, L-ascorbic Acid helps neutralize free radicals, minimize the look of fine lines and wrinkles, and brighten skin tone. Step 1: Apply 5-7 drops in the morning after cleansing and toning, before moisturizer. Step 2: Follow-up with SPF before makeup application.