SkinMedica Retinol Complex 1.0 will dramatically defy the signs of aging with with its patented MICROSPONGE delivery system. This special system will gradually releases the active ingredients to reduce irritation. The vitamin A smoothes fine lines and wrinkles, evens skin tone and texture, stimulates collagen and encourages the regeneration of skin cells. This product will improve elasticity and firmness pf the skin, your complexion will be left supple and youthful.Recommended for use only in patients with previous uses of Retinol.