Apparently this is a quality product and I have no suspicion of counterfeit. In my case, however, the product does not work at all. It is hard to say whether there is a problem in my teeth or in the product. Unfortunately, even after several use according to the instructions, I do not notice any difference in whiteness of teeth. My teeth are white by nature, but certainly not ideally white, which I promised from the product. I only see a few smaller whitish spots on my teeth that will soon disappear. So the product disappointed me.
Verified purchase: Yes | Condition: New
Great product - easy use & less expensive than dental visit!
Verified purchase: Yes | Condition: New
Crest Brilliance White Strip does wonders to my teeth. It took away years of stains and brightened up my teeth many shades whiter. Great product. A+++
Verified purchase: Yes | Condition: New
I've used other white strips and I have to say this one is just okay. The Professional Effects and Supreme White Flexfit are significantly better
Verified purchase: Yes | Condition: New
This is a great product, I have been using these white strips for many years, I get a lot of compliments on how white my teeth are, and I am a senior.
Verified purchase: Yes | Condition: New
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