Dimethicone/Bis-Isobutyl PPG-20 Crosspolymer Good Polymer Hydration Dimethicone/Bis-Isobutyl PPG-20 Crosspolymer at a glance Synthetic cross-linked polymer Enhances formula texture Used in amounts between .1% and 2% CIR Expert Panel deemed safe for use in cosmetics Dimethicone/Bis-Isobutyl PPG-20 Crosspolymer description Dimethicone/bis-isobutyl PPG-20 crosspolymer is a synthetic polymer used in cosmetics primarily for its texture-enhancing properties. It’s often used in sunscreens and leave-on products in amounts between 0.1% and 2%. The Cosmetic Ingredient Review Expert Panel deemed dimethicone/bis-isobutyl PPG-20 crosspolymer safe for use in cosmetics. Related ingredients: Dimethicone Crosspolymer