What it is:A double-ended matte and shimmer brow highlighter. What it does:This silky Anastasia Highlighting Duo Pencil features a matte highlighter on one end and a shimmer highlighter on the other. Use the matte side during the day to create a soft highlight, and for evening looks, use the shimmer side to give eyes that soft, satiny glow. Itâs formulated with vitamin E and features light-diffusing pigments that even skin tone.