Yunhee Kim

Rembrandt Advanced Whitening Strips
 
Testers who had tried other strips were pleasantly surprised by these. “They noticeably whitened my teeth, were easy to use, and weren’t slimy feeling,” said one. They also stayed in place and didn’t slip around on teeth (a common problem with other strips). Some testers saw results in as little as three days.

Time commitment:
30 minutes a day for 10 days.

To buy:
$24, at drugstores.

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