Our V34 Purple Toothpaste contains sodium lauryl sulfate, croscarmellose. It reduces yellow discoloration or stains, restores a bright smile to teeth, is gentle on sensitive teeth and gums, and does not strip enamel or irritate gums; It neutralizes the yellow color in the teeth more naturally, thus hiding stains, improving brightness and freshening breath. The way to use it is very simple: take an appropriate amount of toothpaste on the toothbrush, gently brush your teeth in a circular motion from the inside to the outside for 1-2 minutes, and rinse with water. Teeth protection and gum health, keep teeth white, relieve oral discomfort, say goodbye to smoke stains and tea stains, hide stains, and increase the brightness of teeth.