Originally posted by: Crono
Yes, they do.
Originally posted by: amicold
Hydrogen peroxide, + baking soda worked wonders for me.
Originally posted by: JohnCU
how much do the dentist whitenings cost?
Originally posted by: nick1985
Trying to hear some feedback before i plop down $50 on a box. Need to whiten my teef
Originally posted by: JohnCU
i bought some today. supposed to show improvement after 3 days and finished by 7. use a top and bottom strip for 30 minutes twice a day.
it was $35. it sucks because im sitting here with my mouth opening and have to keep swallowing saliva but i'll update in 7 days.