ILIA Perfecting Buff Brush in Beauty: NA. ILIA Perfecting Buff Brush in Beauty: NA. Ilia's Perfecting Buff Brush is a versatile tool that helps set complexion products faster. The densely packed bristles buff and blend both cream and liquid formulas seamlessly into the skin, creating a smooth finish. Easy to clean with mild soap and warm water.. Vegan and cruelty-free.. Full size. ILIR-WU296. PBB-1. Looking to change the world's perception of organic beauty products, Sasha Plavsic introduced ILIA in 2011. Its ethical-sustainable approach is present throughout each product, from the nourishing and rejuvenating botanical-based formulas to the sleek recycled aluminum packaging. ILIA is dedicated to creating the purest products possible, with up to 85% bioactive organic ingredients making up each formulation. In combining skin-comforting elements with on-trend pigments, ILIA sets itself apart as the go-to brand for color-centric organic beauty.