Dr. Perricone is a leading dermatologist considered the founder of the inflammatory theory of skin aging. According to him, wrinkles and other signs of skin aging are caused by microscopic inflammation in the cells. In combination with the skin care products, the No Makeup collection from Perricone MD ensures a healthy and radiant complexion. With light, skin-friendly formulas, every product from the No Foundation Foundation to the No Lipstick Lipstick will help you look younger.