eCosmetics is an authorized retailer of Dr. Nassif Skincare.Repair + Firm + ProtectOur best-selling serum takes a 360 approach to fast, visible anti-aging results and truly healthier skin. Youu2019ll notice deep hydration, bounciness, brighter tone, smoother texture, and youthful resilience.Delivers powerful antioxidants to halt skin cell damage and brighten skin tone Helps to promote collagen production for elasticity, firmness, and wrinkle reduction Optimizes skinu2019s natural moisture production from the deepest layers Transforms skin with clinically proven results in as little as 5 weeks