with your foundation brush. Try the BlendSMART brush from Doll 10 Beauty. This brush rotates 360 degrees at 190 revolutions per minute. It is said to allow you to use half the normal amount of foundation that you normally use. It works with both liquids and powders. I like it most for blending my foundation once I put it on with my usual brushes, or if I went too heavy on the blush. Here is a tutorial on how to use it. So power it on, and get rotating…..