Retinol is a multi-functional ingredient. Pending concentration and supporting ingredients retinol can deliver different benefits. The Hand Retinol is formulated specifically for the needs of skin on the hands. The skin on the hands is different. Like the skin on the face and neck - it is thinner, more fragile and prone to premature aging. The Hand Retinol is an all-in-one repair serum formulated with a tested combination of 0.25% Pure Retinol, 5% AHA and Peptides to treat and prevent crepiness, wrinkles, spots and brittle cuticles. Ideal for night use.