No. 322/440 Lasts up to 10 days No toluene or formaldehyde The absolute deep black nail polish from s-he colour&style evokes fantastic color results on your nails. The gel formulation ensures maximum durability. Your nails will shine with a beautiful, long-lasting shine. Instructions for use: How to use: shake before use! It is applied in 2 treatments. Up to 10 days of hold with gel-liken ultra stay topcoat. Ingredients: Ethyl Acetate | Butyl Acetate | Nitrocellulose | Adipic Acid / Neopentyl Glycol / Trimellitic Anhydride Copolymer | Acetyl Tributyl Citrate | Isopropyl Alcohol | Isobutyl Acetate | Sucrose Acetate Isobutyrate | Stearalkonium Bentonite | CI 77266 [Nano] | Diacetone Alcohol | Phosphoric Acid