Why You’ll Love It: Leave it to K-beauty to bring the magic of color theory to toothpaste. Just like purple shampoo tones down brassy tones in hair, this purple formula helps counteract yellow-based and other surface staining for an instant whitening effect. 

How You’ll Use It: We swear our teeth looked whiter and brighter in just one use–but of course, the more consistently you use it, the better the overall results will be.