Review (5/5): Delighted
I'm delighted with this toothpaste. Here in Europe it is called "Colgate Max White One Optic".
On the tube it says: "INSTANTLY visible whiter teeth". It really WAS "instantly".
I've no idea whether the European version has the same ingredients as the American one?
It whitened my teeth from the very first day. After finishing the first tube I bought a second one and STILL have no bad effects as mentioned by some posters with a negative review.