ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY
Vial of hyaluronic acid. Hyaluronic acid is a polysaccharide found in the joint spaces, where it acts as a lubricant, and is also a major component of cartilage and skin. It is used to treat osteoarthritis and in eye surgery, and is also used as an antiwrinkle treatment.
Model release not required. Property release not required.