Hyaluronic acid has several important functions in the body. It helps to lubricate and cushion joints, as well as to maintain the structure of tissues. It is also a key component of the skin's natural moisturizing system. When applied topically, hyaluronic acid can help to hydrate and plump the skin, giving it a more youthful appearance. It is often used in skin care products and is also used in some injectable dermal fillers.
Hyaluronic acid is generally considered safe to use, although it may cause mild side effects in some people, such as redness or irritation. It is also important to use hyaluronic acid products as directed, as overuse or improper use may cause skin irritation or other problems.
