SkinCeuticals’s Hyaluronic Acid Intensifier (H.A.) increases the skin’s level of hyaluronic acid up to 30% while minimizing crows feet and fine lines. This serum-gel hydrates the skin while making it appear more smooth, plump, and firm.Learn more about this product and The Science Behind SkinCeuticals on our blog! This product also features in The Ultimate Winter Skincare Guide and Circulation-Boosting Skincare for a Gorgeous Morning Glow. Size:0.5oz