Highlight, brighten and banish undereye circles fast. Quickly perfect and cover dark circles by simply placing a few dots (a little goes a long way), of the concealer under the eye with the small cushion applicator. Gently blend out the product with your fingers, a brush or a sponge for instant radiant eyes. The perfect undereye concealer with medium, buildable coverage.. Twist and fix on the go and master your base in minutes by applying Revolution Fast Base Foundation first, before adding concealer.. We recommend using this product for undereye concerns, however you can use it anywhere.