Brow Pro Micro Pen has an ultra-precise tip to draw natural looking hair-like strokes. The formula lasts up to 24HR hours and is smudge proof & transfer proof. 24HR Wear Ultra-fine tip Waterproof, smudge-proof, fade-proof.  Ingredients Acid, Ammonium Hydroxide, Xanthan Gum, BHT, [May Contain/Peut Contenir/+/-:Iron Oxides (CI 77491, CI 77492, CI 77499), Titanium Dioxide (CI 77891), Ferric Ammonium Ferrocyanide (CI 77510), Black 2 [Nano] (CI 77266)].