Hyaluronic acid is a molecule which appears in the base of the dermis (the middle layer of the skin) and is one of a group of cell molecules called glycosaminoglycans. The work of these cells is to hydrate and cushion tissues within the body. Hyaluronic acid can contain up to 1,000 times its own weight in water, so having enough in the body is key to plump, youthful-looking skin, but every day you use up about a third of your hyaluronic acid, which must then be replenished. Like so many processes in the body, though, the body’s ability to do this decreases as we age and by the time we reach our mid-40s, we only make about half as much as we need. This contributes to drier skin, but as hyaluronic acid is also involved in the formation of collagen, it also contributes to how fast levels of this start to fall.
Skinceuticals Hydrating B5 Gel , Phytocorrective Gel, Phytocorrective mask contain hyaluronic acid.
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