What it is: A cruelty-free, multitasking complexion brush. Brush Formulation: All Formulas Bristle Type: Synthetic Ingredient Callouts: It is cruelty-free.What Else You Need to Know: ILIA's Complexion Brush is designed to easily apply and buff product into the skin, including hard-to-reach places. The sustainably harvested wood handle is complemented by soft bristles that are made of synthetic, man-made fiber. It is also easy to clean with mild soap and warm water.