Our products contain hi-purity human fibroblast growth factors. These growth factors are naturally made by the body’s fibroblast (skin) cells. As we age, the production of these growth factors decreases, resulting in the inability of the skin to rejuvenate. Supplementing the skin with these growth factors can help the skin naturally rejuvenate itself, returning the skin to its youthful state. AQ Active Serum should be applied lightly over clean skin on the entire face, neck, and chest areas. Moderate skin renewal may occur within two weeks, but optimal improvement is usually seen after six weeks of daily use: