Answerlib:Tags ยป covarine
Are you sure that whitening toothpaste actually whitens teeth?
NO, toothpastes do NOT whiten teeth. Toothpastes will clean stains off teeth and make teeth look brighter but advertisers stretch the truth by equating "brighter" with "...
How to whiten your teeth from home?!?
...than other toothpastes.[1] 3Look for an ingredient called blue covarine in your whitening toothpaste. Blue covarine binds to...