NEW! Rare Beauty Brow Harmony Shape & Fill Duo Shade- Taupe A waterproof brow putty that softly shapes and fills in brows for a natural, mistake-proof look that lasts. This breakthrough putty glides on creamy and sets to a buildable powder finish, minus the powder fallout, for an instantly fuller, more defined look that won't smudge. The complementary shades mimic brows' gradient tones for the most natural-looking depth and dimension.