I'm a biiiig fan of Sephora and buy products from them frequently.  The GOsmile system looked like a great idea, so I gave it a try.  Being a smoker and heavy coffee drinker, I can tell you that I noticed a difference in only a day or two.  This is not made for someone who wants those unnaturally white teeth, but if you want to brighten up your smile a bit, they work well.  Quick, convenient and easy to use.  Only 10 days, twice a day once or twice a year.  They ARE a little expensive, but it sure beats 400 for an office whitening.

I didn't think the toothpaste was awful.  As a matter of...