Product Details Stila's innovative double-ended brow pen features two complementary shades to expertly sculpt and fill in eyebrow hairs for natural-looking flawless eyebrows. One side of pen includes the precise Stay All Day Waterproof Brow Color micro-fine brush-tip applicator to draw hair-like strokes while the other side contains a 4-prong brow applicator to fill in and blend colour into brows. Smudge-proof transfer-proof sweat-resistant and waterproof this 2-in-1 tool allows you to easily shape style and define brows and achieve amazing balayage-brow effects with a flawless air-brushed finish that lasts from sunrise to moonlight. How To Use Use the precise Brow Color felt-tip to draw hair-like strokes. Apply the 4-prong brow applicator to fill in and blend color into brows. Full Ingredients Water/aqua/eau alcohol butylene glycol acrylates copolymer polysorbate 20 ethylhexylglyc erin xanthan gum disodium edta sodium dehydroacetate tocopherol red 40 (ci 16035) yellow 5 (ci 19140) blue 1 (ci 42090).