What it is: A mega-plush loose powder brush designed to seamlessly blend and set for an instantly filtered finish that lasts. Ingredient Callouts: This product is cruelty-free.What Else You Need to Know: This brush is made with soft, synthetic bristles that are carefully tapered to pick up and diffuse Pro Filtâr Instant Retouch Setting Powder (sold separately) with the ultimate ease. Like a powder puff in brush form, itâs designed for fast, even blending and the most flawless, filtered finish youâve ever seen.