What is a safe, effective at-home teeth whitening product?

Is there anything better than Crest Whitestrips that works faster and more effectively but is still safe for your teeth? If so, please share.

What is a safe, effective at-home teeth whitening product?
I like colgate white night (its thicker then the original formula). It says to use it once a day but I use it twice. Also its either crest or colgates "extreme white toothpaste" that will whiten your teeth like crazy just from brushing twice a day. It has some sort of crystal gentle abrasives in it that get all the stains off your teeth.





Use both and in like 2 weeks you'll be beaming.
Reply:Clorox
Reply:Sulfuric acid...oh, that's right, you said "safe".
Reply:Good old fashion brushing works for me, but hey if that works for u, like the old saying goes if it ain't broke don't fix it.
Reply:well Crest whitestrips they look good for about 8 weeks then you have to use the strips again. what i do is just go to my dentist 2 a year of a whitening. a whitening is like $140. but over time you will be paying the same of the strips. and if you use like crest whiting toothpaste after you get them done your teeth will be white for like 5 months.