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Do Crest Whitening Strips Really Work...
I smoke. I have been smoking for years. I'm 27 with yellow teeth..." ... Its good for 18 months but I keep an extra box just incase I needed one or two ...ANSWERS
See all- Good question and one I'd liek to knwo the answer to as well. I don't smoke but teeth are yellowed.
- Personally, I disliked the white strips - they tasted horrible and made my teeth SUPER sensitive when I'd never before had a single sensitivity issue. I used them 5 ...
- They work great for me! I use them about 1x/year to keep up with my daily cup of coffee, which stains my teeth. I would get the "Premium" variety and give it a try!...