C508 Pro Angle Blender by Crown Brush. 

The Pro Angle Blender's tiny shape and angled cut make it a perfect blending tool for hard to reach areas of the Face such as under the eyes and along the sides of the nose. Its stiff, compact head picks up large amounts of loose powder, making it a perfect tool for baking and setting the under eye area. Because of its synthetic fibers, the Pro Angle Blender Brush is suitable for both liquid and powder cosmetics.

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