Colgate Optic White Express White Whitening Toothpaste - 3 ounce

I used your toothpaste for one week before I really took a good look for any difference. I was not expecting much as my son had not had much luck with a variety of the competitor's products, but I was very surprised that I could see a noticeable difference after one week. Although a lot of the yellowing was gone, there were still noticeable streaks. Now after four weeks, my teeth are all white again. They don't glow in the dark but who knows in another month or two.I am very happy with the results so far and if my teeth don't get any whiter, I am still completely satisfied.

I got this free to test and review. Wow. I noticed positive results after just one use. I drink coffee in the morning, cold tea during the day, and wine in the evening, so my teeth take a beating in a normal 24 hours. I have tried other over-the-counter whitening products and have never seen such a difference so quickly (or ever, really). I was not looking for a miracle when I decided to try this, but I was hoping for noticeable improvement and that is what took place. Though I don't expect to see much additional whitening as I continue to use the Optic White Toothbrush + Whitening pen, I do expect the current level of whiteness to persist.