HA booster serum contains 1.5% pure and natural Hyaluronic Acid , which acts on signs of dehydration, such as fine lines, lack of comfort and dull skin. BENEFITS The skin becomes firm and hydrated . Skin quality improves, providing a smooth skin effect. Fine lines of dehydration are smoothed and the skin becomes radiant . It improves the hydration of the skin layers and protects it from external aggressions. With Uriage Thermal Water , it soothes all skin types, even the most sensitive. With aromas of bergamot and peach, a hint of lily and a base of cedar. Active IngredientsMedium/Low Molecular Weight Hyaluronic Acid : Hydrates (reducing water loss), provides firmness (through the sponge effect, due to its ability to retain large amounts of water).Very Low Molecular Weight Hyaluronic Acid : Restores skin tone and elasticity (Stimulates fibroblasts, cells essential for the production of Hyaluronic Acid). Instructions for use Apply 2 to 3 drops to clean face, before moisturizer. Avoid contact with eyes. ingredients Aqua (Water, Eau) - Glycerin - Diglycerin - Sodium Lactate - Sodium Hyaluronate - Xylyl Glucoside - 1,2-Hexanediol - Polysorbate 20 - Anhydroxylitol - Citric Acid - Sodium Benzoate - Xylitol - Glucose - Parfum (Fragrance) - Althaea Officinalis Flower Extract.