MakeSense Blender can be used as a highlighter or a concealer. When used as a concealer you may apply it underneath MakeSense Foundation . If you prefer a subtler concealer, blend it between your fingers with desired amount of color from your foundation before application. When used as a highlighter you may apply it on top of MakeSense Foundation . Or if you prefer a subtler highlighter, blend it between your fingertips with a drop of your Makesense Foundation before application.