[This review was collected as part of a promotion.] I noticed a warm feeling when first applied but that was it. I did notice a difference in brightness after the 1st few days so I'd say this product does what is to be expected out of it.

[This review was collected as part of a promotion.] This really is a great product. After using many others, I can honestly say that this one is better than the rest.

[This review was collected as part of a promotion.] I have been using this about a week. Running out of time to leave a review so I am writing one early. I enjoyed this toothpaste. Clean feeling and fresh mouth after using it. I would buy again.

[This review was collected as part of a promotion.] I get frequent comments on the whiteness of my teeth. Colgate Optic White has been part of my regime for many years now.

[This review was collected as part of a promotion.] I really liked this toothpaste, I do not feel as though it made my teeth 4 shades whiter but it was in fact refreshing and made my teeth feel clean

[This review was collected as part of a promotion.] I liked the fact that it makes your mouth feel really clean, even for a while even after brushing. Also like the fact that it helps to whiten.

[This review was collected as part of a promotion.] I love the way these toothpaste made my teeth feel clean. I wish I'd taken before and after pictures. I'm not sure if there was noticeable whitening.... maybe some? I'll continue to use it to see.

[This review was collected as part of a promotion.] It has a fresh mint flavor that's not overbearing like other brands and smooth to the teeth. Not gritty. It left my teeth feeling clean and my breath fresh.

[This review was collected as part of a promotion.] Toothpaste had pleasant flavor and left mouth feeling clean and fresh. Whitening effects to be determined.

[This review was collected as part of a promotion.] Colgate optic white toothpaste meets my needs. It doesn't leave a strong medicine taste in my mou6.