【Purple Toothpaste】purple corrector toothpaste penetrates the gaps in the enamel , leave no residue, help effectively clean your teeth. 【Colour Corrector】Works to brighten teeth by utilizing color correcting technology.By counter-balancing the different hues in your teeth, conceals stains and improves brightness. 【Purple Corrector】This purple toothpaste, combined with two water-soluble dyes, can eliminate any shade of yellow and present the brightest smile.