Is Whitening Toothpaste Necessary After Using Crest 3D Whitestrips? Crest 3D Whitestrips offer quick and effective whitening. They are designed to remove deep stains. But many wonder, "Is whitening toothpaste necessary afterward?" The answer depends on your needs and preferences. Whitening toothpaste can complement the effects of the strips. However, it is not always essential for everyone. Read more:- https://thewhitesmilesuk.hashnode.dev/is-whitening-toothpaste-necessary-after-using-crest-3d-whitestrips