Add Yahoo as a preferred source to see more of our stories on Google. It claims to work the way purple shampoo works on your hair. Scottie Scheffler runs away with The American Express for his latest ...

The word has been going around for quite some time now, but not all of us have been quite sure enough to actually put it to experiment. The simple answer is that purple toothpastes do work, but the ...

The reason purple toothpaste appears to work on yellowed teeth is the same reason purple shampoo works on brassy blonde hair - complementary color theory, not chemistry. Tannins from tea and coffee ...