La Roche-Posay Hyalu B5 Pure Hyaluronic Acid Face Serum is a daily anti-aging and Hyaluronic Acid serum that visibly plumps, hydrates, and helps reduce signs of aging. It contains pure hyaluronic acid, vitamin B5, and madecassoside, which provide anti-aging and antioxidant benefits. The serum is formulated without oil and parabens. The key ingredients of the serum are hyaluronic acid, which is a polysaccharide found naturally within the skin, and madecassoside, which is derived from the Centella plant. The serum also contains glycerin, alcohol denat., propylene glycol, panthenol, pentylene glycol, dimethicone, Peg-6 Caprylic/Capric Glycerides, Ppg-6-Decyltetradeceth-30, glyceryl isostearate, ammonium polyacryloyldimethyl taurate, disodium edta, hydrolyzed hyaluronic acid, caprylyl glycol, citric acid, xanthan gum, butylene glycol, tocopherol, phenoxyethanol, and fragrance. The serum is available in a 1.01 fl. oz bottle.