Crest white strips, do they work?? ?

Question

Crest white strips premium. Do they work? I'm on my second day.

And can you leave them on for more than 30 min? Will they do more if you do?

thanks

Answer 1

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Answer 2

They do work. I like them a lot. Don't leave them on for more than 30 min. It won't do any more, and it just kinda hurts. It made my teeth really sensitive.. Anyways, I used them once a day, and in about 4 days my teeth looked really good.  

Answer 3

I've tried them several times, and they didn't work.  Also, these strips slide around on the teeth, and it's hard to have them stay put.  They made my teeth sensitive, too.  

Answer 4

They do work, but I was told by a dentist to use the regular, original Crest strips. They don't cause the sensitivity like the newer, more powerful, or faster acting kind do. Good luck.