What it is: A synthetic-bristle brush with an oversized, fluffy head designed to blend products. What it does: It's made with a sustainably-harvested wood handle and can be used to apply and blend eyeshadow to the contour and crease or highlighter to the high points of your face. How to use: Use soft, circular or back-and-forth motions to blend eyeshadow and contour into the crease of your eye. To use with highlighter, gently sweep onto the high