What it is:A synthetic-bristle highlighter brush. What it does: The Illamasqua Highlighter Brush can be used to buff Skin Base Foundation and create a polished look. Wonderfully versatile, this brush can also be used to apply Rich Liquid Foundation or to apply Illuminator to anywhere you’d like to draw attention. The soft synthetic bristles allow for use with powder, cream, and fluid textures. What else you need to know: All of Illamasqua’s brushes are 100 percent cruelty-free.