I tried the Crest Whitestrips Dental Whitening formula for 14 days last month. Barely just 1 week after I used the strips, I noticed my teeth were whiter than they normally are. I take good care of my teeth, but I drink a lot of tea which resulted in stained teeth. But thanks to Crest Whitestrips, my teeth are white and I am not ashamed of smiling and showing off my white teeth. I was thinking of going to the dentist for a laser teeth whitening, but the Crest whitestrips are cheaper, safer, and you can do it at the comforts of your home or anywhere you want.… read full review »