The non-toxic formula is super easy to clean and won’t stain tubs or skin. PURPLE: SODIUM BICARBONATE, CITRIC ACID, SODIUM CARBONATE, SODIUM SULFATE, SODIUM CITRATE, SUCCINIC ACID, PEG-400, BUTYROSPERMUM PARKII BUTTER, TOCOPHERYL ACETATE, DENATONIUM BENZOATE, CI 17200, CI 42090.