Top 10 Hilarious Yahoo Questions #5 Posted by Christy R on August 1, 2013 in Top 10 Hilarious Yahoo Questions | 13268 Views | Leave a response #5 – Can I Whiten My Teeth With Household Bleach? Desperate for white teeth. You, my friend, are the reason we have ridiculous warnings on products like, “Bleach is for external use only.” For best results, brush your teeth…with toothpaste. Repeat as necessary. Previous Next