Jan Marini skin research products are designed to be used under the supervision of a physician or licensed skin care professional. Jan Marini bioglycolic line combines proven glycolic acid standards with technological advancements far beyond anything previously available. This line provides resurfacing agents along with additional scientifically calculated components that equate to unparalleled skin care management. The bioglycolic facial cleanser is a deep cleansing product which contains sorbital, a natural humectant derived from berries that leaves the skin soft and hydrated. If you want skin products that make you feel great, try Jan Marini.