Intensely active Formula Protein 4 contains a powerful combination of Biotin, AHA's and Hexanal. This specific formula can help to restructure and strengthen damaged nails whilst the deeply nourishing blend of ingredients including Panthenol and Glycerin promote moisturised, hydrated, healthy nails. INGREDIENTS Ethyl Acetate, Butyl Acetate, Nitrocellulose, Adipic Acid Neopentyl Glycol Trimellitic Anhydride Copolymer, Acetyl Tributyl Citrate, Isopropyl Alcohol, Sucrose Acetate Isobutyrate, Glycolic Acid, N-Butyl Alcohol, Water, Etocrylene, Lactic Acid, Malic Acid, Hexanal, Alcohol Denat, Trimethylpentanediyl Dibenzoate, Gluconolactone, Dimethicone, Trimethylsiloxysilicate, Glycerin, Panthenol, Hydrolyzed Corn Protein, Hydrolyzed Wheat Protein, Hydrolyzed Soy Protein, Biotin, Polybinyl Butyral, Violet 2, Tocopherol. DIRECTIONS Apply one coat of Protein Formula 4 every other day. Remove after 7 days with non-acetone remover and repeat. Continue this until nail condition improves, then move onto Protein Formula 1 SAFETY WARNING Flammable. Keep out of Childrens reachPro-Biotic - Preserves Protects. Biotin - Strengthens. Plant Keratin - Hydrates Moisturises. Contains Increased AHA's, increased PHA's, Glycerin, Biotin, Panthenol and Hexanal. Nail strengthening treatment for weak, damaged nails.