For Pen: The main component of the gel is made of 35% Carbamide Peroxide ,Urea peroxide, Glycerin, Aqua, Carbomer, Propylene Glycol, Cellulose Gum, PVP, Menthol, Sodium Hydroxide.
For Strips: Urea peroxide, Glycerin, Aqua, Carbomer, Propylene Glycol, Cellulose Gum, PVP, Menthol, Sodium Hydroxide.
For the Purple Corrector: Glycerin, Aqua/Water, Sorbitol, Hydrated Silica, Xylitol, Polysorbate 80, Cellulose Gum, Mentha Piperita (Peppermint) Oil, Phenoxyethanol, Sucralose, Tetrasodium Pyrophosphate, CI17200/D&C Red No. 33, CI42090/FD&C Blue No.1, Ethylhexylglycerin.