Our dental patches contain sodium hydroxide, peppermint extract, glycerin. It can deeply clean the teeth and effectively remove stubborn tooth stains. Helps to remove tea stains, coffee stains, smoke stains, store teeth whitening. Its use method is very simple: 1. After gargling, place the gel part of the product on the gums; 2. Teeth and pressure to ensure the product is fully attached to the surface. Add ingredients that help with gum repair, promote healthy gum regeneration and prevent gum receding.