Fine powder
I'm 56 & have never whitened my teeth. I drink coffe & Diet Coke. What I did was buy an inexpensive whitening pen & this powder. This stuff I use everytime I brush. The pen, maybe once a week. I do notice a considerable difference. Could be one, the other or both. I think this also kills bacteria which causes plaque. I'm no dentist so...
Rating: 5 stars