*precise Browdefiner – Ultra-fine Self-sharpening Mechanical Brow Pencil Draws On Tiny Brow Hairs To Fill In Sparse Areas Or Gaps And Spoolie Brush Styles And Defines Brow Shape. *24 Hours Long Lasting – Waterproof Easy To Color Brows And Smudge Proof. *perfect To Pair With – O.two.o Eyebrow Pencil Match To Create Natural Eyebrow.