Retinol B3 Serum visibly reduces lines, wrinkles, and sun damage. It features a retinol complex with pure and gradual release retinol for efficacy and skin tolerability. The serum contains vitamin B3 and glycerin, which helps to soothe and restore the skin's moisture barrier. Skin immediately appears more luminous, toned, and hydrated. With continued use, signs of premature sun damage are reduced as skin recovers its youthful brightness. This allergy-tested formula is also created without fragrance.