Simple Booster Serum with 3% Hyaluronic acid & B5 to intensely hydrate and soften sensitive skin. Hyaluronic acid is a power-plumping miracle molecule that binds up to 1000 times its weight in water for youthful-looking skin. This hydrating serum also regulates sebum production and improves skin texture, relieving irritation and calming dry sensitive skin. Packed with 3% active ingredients, including 0.5% active hyaluronic acid, 0.5% active PENTAVITIN™, and 2.5% active provitamin B5. Dermatologically tested, no harsh chemicals, alcohol-free, and PETA approved.