I love these whitening strips! They work very good! I use them everyday! They are a bit pricey but In my opinion they are worth every penny! The pros are they leave your teeth so white and it last for a while. The only cons I have is that if you have sensitive teeth it can make them more sensitive the first couple of times using them.

They will make your teeth white, but they will DESTROY your enamel in the process. I would use these a couple years back so HOPEFULLY they changed the formula, but I will never take the risk again. While using it caused pain I my teeth that I tried by best to ignore, but the more I used them the more intense the pain became there was one point where I just couldn’t fight through the pain any longer, and when I had removed the pain stayed. I took a look in the mirror because the pain was so intense and I saw a faint crack that went halfway down my tooth!!! The pain remained for weeks and it finally went away when I began to use enamel strengthening toothpaste, but my enamel hasn’t been the same since. I totally regret ever using this product because I still have to be overly cautions with my teeth because my enamel isn’t as strong as before. This product will whiten your teeth, but are you willing to put your enamel in jeopardy?

I used these whitestrips and I was very surprised to see that you are able to see a change right away. At first they can feel very uncomfortable but then you get used to them. I do believe that they are expensive for you to repurchase over and over again. Overall, I was satisfied because you were able to see the difference in your teeth. 

These are my go to when I need to whiten my teeth for a big event. They are amazing and work like magic. The are just as good as going to the dentist for a whitening treat expect at a fraction of the cost. I always keep an extra box in my bathroom just Incase I need a quick pick me up!

these strips changed my entire life. my teeth used to be YELLOW they are now as white as computer paper. every 6 months I get a new box even though I don't actually have too. your teeth will stay pretty much white for probably over two years. I like how they look right after or during a box because they are sparkling. if I could post pictures I would. awesome.

First of all I have to say they work extremely well. Now, they do have one small downside, which is, they made my teeth very sensitive for a few days. I just powered through it, but it might be too intense for most. My teeth looked amazing after using them even once! They are my go to for teeth whitening!

They work, but they're kind of gummy and leave a weird wax thing on your teeth that you have to scrub off. But other than that I really like this, but I would recommend a light if you're trying to whiten teeth and not really strips. In my opinion I would rather have a light to whiten my teeth.

If you want to blind people with a million dollar smile this is what you need! I’m not kidding. Since I started using these I have gotten so many compliments on how white my smile is! And I’ve only been using them for a week!! And I drink coffee regularly!

I used these whitening strips before my wedding, and they really helped me achieve a beautiful white smile! I drink a lot of coffee and red wine, so I also try to use these every 6 months to help maintain my smile. The only reason I gave the product a 4 star, is because I experience some teeth/gum sensitivity (only last one or two days) which the label does warn could happen and also the price is slightly high. But I think it’s worth it!

These are my favorite of the Crest White Strips lineup! They work fast & have a long lasting effect. I've been hooked on them for awhile & recommend them to friends and family often! Some home whitening kits can leave your gums irritated & red, but I've never had that problem with these strips.