Collistar Glycolic Acid, Facial Serum for a perfect facial peeling 30ml Concentrated serum in drops with Glycolic Acid for exfoliation: Improves cell renewal Provides an even skin tone Restores and provides smooth skin Glycolic Acid is an active substance derived from sugar cane and is the most popular ingredient in peeling treatments. It removes dead cells that prevent epidermal respiration and slow down the skins natural cell renewal. To ensure maximum efficacy, tolerance and safety of the treatment, Collistar researchers have carefully adjusted the concentration and pH of Glycolic Acid and added two more Alpha Hydroxy Acids (Mandic Acid and Gluconic Acid) to complement and enhance its action. Designed for daily use, it performs a gradual, effective, non-aggressive peeling that renews and brightens.