Hyaluronic acid is a polysaccharide molecule (i.e. a big and complex carbohydrate) also known as hyaluronan.
It is formed by our cells and occurs naturally in our body. Along with collagen and elastin, Hyaluronic Acid si one of the main components of the connective tissue that surrounds our skin cells where it provides moisture and firmness to the skin. Young and healthy skin contains lots of Hyaluronic Acid, but as we age, our skin produces less, thus existing reserves deplete.
Hyaluronic Acid is a powerful humectant, which means that it acts like a magnet, attracting water to skin. It can bind in between 1,000 and 10,000 times its own weight in water (i.e. one gram binds between one and ten liters). Maintaining optimal hydration is key to healthy skin: without the right amount of water, skin dries out and is less effective as a protective barrier. Visually, it loses radiance and firmness.
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