Stimulate & renew with CosMedix Elite Serum 24. This highly active, age-defying serum combines a unique blend of LG-Retinex, microencapsulated Retinol and Retinaldehyde to visibly reduce the look of medium to deep lines, including crow's feet. Clinically proven to reduce the appearance of fine lines and wrinkles, this powerhouse formula contains 24% LG-Retinex, which is a proprietary glycosaminoglycan-enhanced encapsulation of retinol and retinaldehyde that delivers quick results without the negative effects commonly associated with some retinols such as dryness, tightness and irritation. Skin is left looking brighter, smoother and the appearance younger.