... used by date noted on package.PVP,PEG 8,Water,Hydrogen Peroxide,Acrylates Copolymer,Sodium Hydroxide,Sodium Saccharin Important usage information ... used by date noted on package.PVP,PEG 8,Water,Hydrogen Peroxide,Acrylates Copolymer,Sodium Hydroxide,Sodium Saccharin. Packing:7 pouches ...