Hyalu B5 Pure Hyaluronic Acid Face Serum

La Roche-Posay Hyalu B5 Hyaluronic Acid Face Serum and Anti-Aging Concentrate is a serum formulated with two types of hyaluronic acid and vitamin B5. Hyaluronic acid absorbs up to 1,000 times its weight in water for an immediate plumping effect and long lasting hydration. With high molecular weight hyaluronic acid and low molecular weight hyaluronic acid, Hyalu B5 helps lock in moisture and leaves skin feeling plump to the touch. Also formulated with vitamin B5, Hyalu B5 helps repair skin's natural moisture barrier to help skin retain hydration. This hyaluronic acid serum has a fresh fragrance in an allergy tested formula and also contains, Madecassoside and La Roche-Posay Thermal Spring Water to help soothe skin.