Honestly they can be pricey at regular price but many generous coupons are often available on their website and they do go on sale at the drugstore often but in terms of quality.. worth it! just make sure you're home when using it although it seals on well and doesn't move around it does give you the urge to spit a lot as it causes a lot of foaming in the mouth during treatment. I wear them for 2 hours and my teeth are noticeably whiter after the first use and by the end of the box they're shining! :D*

These white strips are terrible. If you happen to miss your teeth and get your gum line while applying they aren't for giving, strips are hard to remove. Left on for more time then told and no drastic effects. ... A boo product

Effectivement, ce produit est efficace Et ne me fait pas mal aux dents Et les blanchit.

I recommend that if you ever need your teeth whiten in a short period of time, go with this product!
It works it's magic after very few strips and it's easy to use and apply!
It's not that much money but you definetly get what you paid!
Really happy with results!

I love 3D Whitestrips intensive. It's easy to use it. The result is so nice.

Love love love these white strips. I use them often however it's hard for me to keep them on for the full 2 hours. I usually just do a quick 30 minutes to keep my pearly whites, white.

I received Crest 3D White Whitestrips from a P&G;everyday sampler pack. I was surprised that these really worked!

Application is really quite simple, just follow the instructions in the package insert. The strips adhere perfectly well for two hours and I did not have trouble peeling them off either. As with most teeth whiteners, mild sensitivity is to be expected especially when taking in hot or cold fluids. Using a straw to drink even just plain tepid water worked for me.

Unfortunately though, it did not work for me. The thing is, I have dentures. My natural teeth went about two shades whiter with this product and it doesn't work for synthetic ones. It specifically said so in the package insert but I tried anyway. End result, two shades of teeth for me. And it really lasted quite a while! But I definitely would recommend it for others with NO dentures whatsoever!

I love my teeth and love white teeth even more! This product came to me in a sample pack and this past weekend I tried them as I had a wedding to attend on Saturday. I put them on and two hours later, (as directed), I took it off. I thought they were really effective; however, my teeth were incredibly sore the next day.
I usually use professional whitening from my dentist and I thought maybe my teeth have been 'over whitened; but my boyfriend also used this product and felt his teeth were really sensitive the next day as well. If I were to use this product again, I would take it off sooner than the 2 hours.

I am so surprised so many chick advisors gave these such high stars!

They caused my non-sensitive teeth to HURT LIKE THE DICKENS!

Once I took them off the sensitivity and pain was radiating out of my mouth like a microwave.

THE PAINN.

I really only noticed a tiny bit of whitening and noticed some weird dots on my bottom teeth.

Just not worth the pain.

After only two uses my teeth were atleast 2 shades whiter. the reason that I didn't give it the full 5 star was because if I use it for more than 10 minutes my teeths would become really sensitive. I did an in office whitening before as well as use a whitening pen that I bought from sephora and neither of those got the result that I wanted. Crest White strip got the results that I wanted and IT LAST. I only had to redo it every six months or so.

My only advice is that if you are going to use the Crest 3D white Whitestrips Intensive Professional Effects, only use it for 10 minutes. You will still get the result but minus the tooth sensitivity.