I've used CWS Professional Effects several times. I was on vacation with my sisters and they asked how I got my teeth so white? I told them Crest White Strips - Professional Effects. As soon as they returned home, they bought a box and now they have beautiful white teeth also.

I don't use it often but when I do I find that they went in my teeth with after two uses. I love using these To brighten up my smile. I would recommend this to anybody however they do make my teeth sensitive if I use them more than two or three times but I think it's definitely worth it

So about 4 years ago I got my braces taken off and was so happy to finally have straight teeth. But then I noticed that they weren't as white as before braces,so I decided to purchase the Crest 3D Professional Strips because I like the fact that I got so many in the pack. I used then for almost two weeks anf tapered off the rest. My teeth haven't been the same since..in the best possible way. Now I whiten my teeth every year even though I keep getting comments on how white my teeth are. I get so many nice words about my teeth is a big confidence booster. So here's why I love these whitening shtrips 1) no gross taste in your mouth 2) 30 minute wait time 3) my teeth aren't sensitive after using 5) whiten my teeth like a professional did it.

Everybody ask me anywhere I go how I get my teeth so white do you get it professionally whitened ? and the answer is I've never had my teeth professionally whitened but I use the crest 3-D whitestrips luxe professional effects kit at least once a year!

I love love love the new professional whitening strips, I had some sensitivity after 5 days of use but my teeth were so white I really didn't need to use them more then a couple day.... they work miracles, I will always go for these over anything else ...why waste more money on anything when these 100% work

I love these strips because you don't have to use them as often as the 20/30 minute. They stay in place wonderfully while wearing and the results are clear after the 2 or 3 time of using. Some sensitivity occurs the day after when drinking cold or very hot things but this usually passes within a day.

I use the whitestrips once every year. I feel like they make a difference and I have received sone comments on my teeth. You have yo prep your teeth before use by using sensitive toothpaste and then keep using it during the whitening. Your teeth will hurt some from the strips bit the toothpaste helps.

I first tried these when I rec'd a free sample from Crest. I tried them, then both of my daughters tried them. They are awesome! Even if your teeth are very dingy from medication like mine are, the whiteness look can be achieved with the white strips. Great product and definitely recommend.

I stand by these strips for my teeth! I whitened them about 10 years ago and just barely had to touch them up again and go in. I constantly got compliments on how white my teeth are. Personally I didn't suffer from sensitivity. Also it lasted so long because I didn't drink soda, coffee or wine! So just be smart on what your eating to prolong the results, like with any other teeth whitening products!

I love all of the Crest white strips and they truly work. I first used these back in high school to whiten my teeth and after many coffees and food later, my teeth are still very white. Now more than 10 years later, I occasionally continue to use these to “touch up” my teeth and keep them white but once you get to a certain point you won't have to use these all the time because that's how well they work! Now it's just maintenance for me I will use about 1x a month or every couple months.