To maintain youthful skin Hyaluronic acid is a substance naturally produced by the human body and is one of the most important components of connective tissues. It is thanks to this acid that your skin has its characteristics of elasticity and resilience, not to mention that this substance keeps your skin hydrated and protected over time. Hyaluronic acid is therefore often studied in the scientific field and then used as the basis for many treatments, in favor of the skin and against its aging. ■ The levels of acid in the body decrease with age: and it is precisely for this reason that blemishes and wrinkles begin to appear.