Help preserve & strengthen collagen with the Neutrogena Collagen Bank Vitamin C Face Serum. This facial serum moisturizes to help strengthen the collagen you have & build the collagen you don’t with our highest concentration of 15% pure vitamin C. Formulated with 2% PHA, a derm-discovered exfoliant, to gently exfoliate skin, allowing the vitamin C to absorb into the skin. This high-potency formula evens the skin tone & leaves skin looking glowy & plumper—with 100% of users agreeing that skin is instantly glowing & looks plumper*. The non-comedogenic formula is free from fragrance, parabens, phthalates, & dyes & is formulated with a patented Micro-Peptide Technology that is 2X smaller than leading anti-aging peptides for optimized delivery to support collagen. To enjoy the luxury benefits of the Collagen Bank 15% Vitamin C Serum, apply to the face & neck after cleansing & before moisturizing, avoiding the delicate eye area.*% of participants noting improvement with once daily use after 12 weeks