Our V34 purple toothpaste contains sodium lauryl sulfate and crosslinked carboxymethyl cellulose. It can reduce yellow discoloration or stains, restore a bright smile to the teeth, is gentle on sensitive teeth and gums, and will not strip the enamel or irritate the gums; Neutralize the yellow in your teeth more naturally, thus hiding stains, increasing brightness, and refreshing your breath. Its use method is very simple: take a proper amount of toothpaste on the toothbrush, gently from the inside to the outside of the circular motion brush 1-2 minutes, with clean water. Tooth protection and gum health, keep teeth white, relieve oral discomfort, say goodbye to smoke and tea stains, hide stains, increase the brightness of teeth.