This potent complex delivers 0.3% pure, stabilised Retinol along with Hyaluronic Acid and NeoGlucosamine to enhance the skin\\\'s hydrating matrix for a smoother, firmer look. Benefits of Exuviance Professional Retinol Serum: Formulated to help reduce the look of coarse wrinkles, dull skin texture and uneven skin tone. Fragrance & Oil-Free Key Ingredients: NeoGlucosamine, Stabilized Retinol, Hyaluronic Acid How to use: In the evening, apply to clean skin once or twice weekly, working up to everyday as tolerated. Size: 30ml