Whats the cheapest way to whiten your teeth?

Question

Anything under $20 and are known to work please.

Answer 1

Slosh some hydrogen peroxide around in your mouth.

Tastes disgusting, but it works well enough. And you probably already have it!

I've also used Crest Whitestrips (whatever the cheapest kind is.. I think mine was $14). It works great but doesn't last very long.

Answer 2

buy toothpaste wiht whitening strength in it or buy the new crest whitening strips at walmart(: cheap and works (:

Answer 3

Plus White 5 minute speed whitening gel. I think it works better than the expensive kits. Its about $12.00 at Walmart. It comes with 1 mouth piece and a tube of whitening gel.