John I often drink coffee, whitening effect is not sure. But now, because I've written this after the later and less inflammation in the mouth with toothpaste Nago-looking acne on the chin Oregon. Ido good cleaning and I like all the incense, it's hard little squeeze. The only brings out a little squeezing toothpaste jjyaya I do not grungy. So, one by John ppaeteo.