Less than half per tube. The amount in each tube is less than half the tube. They should just sell it as 2 tubes instead of trying to make it look like you are getting 4. Will never buy again

It really works immediately. I couldn't believe it, and it makes my smile appear whiter and brighter each day that I use it. I usually have sensitive teeth, but this hasn't been a problem with this toothpaste.

I got this after seeing in a ad. I don't believe I saw a difference in one day. But I do love it. It gets your teeth really clean, like when you go for a cleaning. With a nice fresh breath taste when you're done.

I give this a 4 star. It immediately started making a noticeable difference on surface stains. After using it for 3 weeks I'm unsure if it's whitening anymore or not.

I love the toothpaste and the results (my husband's teeth have gotten noticeably whiter since beginning to use it). I also like the taste. But the reason for the 'average" rating is because of the pump, which does not work well and is not at all consumer friendly Why oh WHY can't we buy this toothpaste - and formula - in regular larger normal toothpaste tubes? The kind we can squeeze up from the end when they start getting low. These pump gizmos make me feel as if once it starts to run out at least a tenth of the product is going to waste.

This is a top notch whitening toothpaste. Highly recommended.

This toothpaste does just what the name says. It quickly whitens the teeth and is noticeably whiter after just one use.

This product works great! My teeth are whiter and brighter than they've been in years even after professional cleanings. Would highly recommend.

This toothpaste does get stains out, but you have a use it for more than one day depending on your stains.

This stuff really works! When it's on sale, buy it if you like white teeth. Doesn't hurt your gums and has a good clean taste.