Are charcoal products okay for your teeth? A hygienist's study ... Reddit
Everybody's teeth act differently to whitening, so here's my tip to you for whitening strips: get whitening strips that use a peroxidebased formula. Peroxidebased strips are relatively gentle and won't harm your enamel or gums. start by using one strip on the top OR the bottom for one week. After 7 days compare the top and bottom teeth to see ...