Crest3D Whitestrips, Supreme Flexfit, Teeth Whitening Strip Kit, 42 Strips (21 Treatments)

These are without a doubt the most whitening/brightening whitestrips I've ever used. The strips are so uniform and the whitening ingredients are so well spread onto the strips it's crystal clear.I've been using crest whitestrips for 14-15 years now. I started all the way back before the non-slip was even invented and you'd have to just kinda bite down on your teeth to prevent them from sliding around. They've been VERY effective in the past, which is why I've continued to use them throughout the years, but this pack right here is the most effective one I've ever used. I'm only halfway done with the set but my teeth are OUTLANDISHLY white. I started getting compliments from coworkers my 3rd day in. I did some research after buying them because I wanted to know what made these different, and it turns out it has the highest hydrogen peroxide concentration from all other strips out there. Their other strips contain 3.5%, 8% etc, this one's supplying the highest concentration you can get. I will say, if you're new to whitestrips they work by oxidizing the surface of the tooth to remove the stains soaked into the teeth. It's enamal safe, but you'll notice sensitivity. By day 5 I had to go out and get some sensodyne . If you're having sensitivity issues, I recommend getting sensydne and when you go to brush your teeth, spit out the toothpaste, not rinse. When you go to bed, brush softly and spit out the toothpaste, go right to bed and the floride toothpaste will help stick to your teeth and stop that sensitivity.

It does exactly what it says. After 3 strips (actually 2) I saw my teeth whiten. I have no major stains just general yellowing from coffee and dark tea drinking daily (so you can imagine). I’ve used this pack in the past and I remember it being so effective and lasted for a year or more. I got many compliments on how white my teeth were. So that confirmed to me that it works! Later on, I tried another Crest strips set called “Glamorous” and it didn’t have the same effect at all, cheaper in price though. I read more about it and found out some Crest White Strips packs have 14% hydrogen peroxide and therefore whitens better. These are now my go to strips (I’m wearing as strip as I type). What I like about these is that they whiten your teeth and remove so much staining and REMAIN white for a year or more. So I’ll be definitely buying another pack. Just be aware that they do cause some sensitivity which is normal. I bare the pain because the end result is worth it.

Wow! Worked even from day 1, effective whitening.

This product does work, so that's great. Your teeth will be whiter. As you can see in my before-and-after photos, my teeth were pretty yellow. I was very self-conscious about smiling, but now I'm not. So that's amazing. However, for a product that claims to make your teeth 28 levels brighter, and make them "supremely white," I don't know if it quite delivers on that. I also am not sure how long my teeth will stay white for, because I am writing this review quickly after using up the whole container of strips. The product description says this should only be used once per year, but who knows if my teeth will stay white for a whole year.I have heard from other sources online that this type of product works better on someone who is a teenager or in their early twenties. I am in my early thirties.Keep in mind that your teeth will be sensitive and in some pain for maybe about 12 hours after each time you use the product. It's not unbearable, but it is annoying, and you will have to get used to it until the end of the month when you have used up all the strips.

Works great

This is my 5th time purchasing crest product and the individual whitening packages are not marked with the level of whiteness. All the packages from the 20-25 look the same. What is going on? The box says the level, but again, since December there has not be a label on the packet themselves. Am I paying more for the same strips?

I’m 25 years old and I’ve used crest strips to whiten my teeth in the past and had excellent results. This time was no different.I went 3+ years since my last treatment and I noticed that my teeth were getting a little bit discolored. I purchased this and after only 2 uses, my co-workers commented on how my teeth already look whiter. I can’t wait to finish up the full treatment.As far as sensitivity goes, I have noticed a little bit of tooth sensitivity, but nothing crazy. I’m on strip #6 right now. Obviously brush and floss like normal, and if you have trouble with sensitive teeth, consider buying a travel-size tube of Sensodyne toothpaste to use throughout the duration of your treatment. That helped me in the past tremendously.Nevertheless, any sensitivity does go away within a couple of days post-treatment.Also I have noticed a little bit of extra saliva in my mouth during the hour treatment, so to remedy this, I keep an empty water bottle near my bed that I just spit into. Easy!

I cannot tell you how many times people (and my dentist) tell me how white my teeth are. This works!