It helps weak, broken nails to harden and become more durable. Usage information: Apply the product on dry and clean nails. Use 2-3 times a week to show its effect. Warnings: Keep out of reach of children. Avoid contact with eyes. For external use. The expiration date and batch number are on the packaging. Ingredients: Ethyl acetate- butyl acetate- nitrocellulose- acetyl tributyl citrate- isopropyl alcohol- adipic acid/neopentyl glycol/trimellitic anhydride copolymer- styrene acrylates copolymer- stearalkonium bentonite- diacetone alcohol- benzophenone-1- titanum dioxide- silica- dimethicone- phosphoric acid .