The Classics work just as well as the Premium or Advanced,the only difference is that they take a little longer for the full effect (about 2-3 shades whiter!) and they are less expensive. I picked up a box at Target the other day for $15.99.
They do make my teeth ache ever so slightly, so people...
I have used crest whitestrips three times now (once a summer). The first time I tried them, I saw the most improvement, but everytime I have been able to tell a difference. I love the price and the fact that they are better for sensitive teeth than others (including the crest premiums). Although...
by Love2Smile | 4 reviews
3.0
NOT COVER COMPLETELY
this doesn't work if you have one or more tooth with receding gum. Also, the gaps of teeth aren't covered. I think it works best if your teeth is perfectly straight.
by mimay1 | 8 reviews
7.0
IF YOU TRY THIS...DON'T USE IT EVERY DAY
I found if you use this every other day or so your teeth are not as sensitive. It takes longer to whiten but your teeth don't hurt as much.
by gmsip2000 | 2 reviews
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