Compound Hyaluronic Acid + Collagen Vitality and hydration of the skin The skin is an organ composed of several layers. It constitutes a protective barrier for the body against environmental aggressors such as the sun, pollution, smoke, temperature changes, etc. These attacks lead to tissue dehydration and premature aging of the skin tissue, which manifests itself in the formation of fine lines and wrinkles. We consider skin to be well hydrated when its hydration level is 13%. This level decreases with age, reaching 10-7%. Food supplement. Made in France.