Hydrabio hyalu+ from Bioderma is an eco-biological serum that deeply hydrates, plumps and smoothes wrinkles. The complementary action of precisely dosed active ingredients (Hyaluronic Acid, Niacinamide, Carnosine and Sugar Polymer) and Aquagenium™ Technology *act immediately on skin dehydration and visible signs of aging. *act on the causes of dehydration to rehydrate the skin intensely and lastingly while reducing the first signs of aging. Benefits: Moisturizes immediately. Stimulates collagen synthesis to gain firmness, elasticity and density. Helps the skin naturally synthesize and protect its hyaluronic acid. Strengthens the skin barrier. Protects from oxidative stress. High tolerance. Proven clinical efficacy: + 60% hydration in 30 minutes (1) 90% instantly smoothes wrinkles (2) +32% firmness (3) (1) Measurement of moisturizing power by corneometry (2) Use test in 33 volunteers, for 28 days, % satisfaction (3) Use test in 33 volunteers, for 28 days, dermatological score. Apply morning and evening to face and neck with clean skin. 1. Cleanse the skin with Hydrabio micellar water. 2. Apply Hydrabio Hyalu + Serum and massage until completely absorbed. 3. Apply Hydrabio Gel-cream to complete the treatment. External use. Keep out of reach of small children. Keep in a cool, dry place protected from sunlight.