C517 Pro Precision Dome Blender by Crown Brush. 

The Pro Precision Dome Blender is your all-in-one Face brush. Its dense brush head and compact shape allow for easy access to all areas of the Face, including hard to reach areas such as the sides of the nose and around the lip area. Its synthetic bristles make it suitable for both powders and liquids, and its sturdy composition makes it a perfect blending tool. Can be used to apply foundation, powders, blushes, as well as Contouring and highlighting the Face.

Bristle Profile: High Grade synthetic fibers, Incredibly durable, Indefinite lifespan with proper care, Can be used with liquid, powder, and cream cosmetics.