Our Purple Tooth whitening toothpaste contains menthol and sorbitol. It can gentle sensitive teeth and gums without stripping the enamel or irritating the gums, can more naturally neutralize the yellow color on the teeth, hide stains, increase brightness, and restore vitality. Its use method is very simple: after normal brushing, squeeze the appropriate amount of this product on the toothbrush, brush gently for 1-2 minutes, and rinse thoroughly with water. Restore natural brightness of teeth, clean tooth stains, freshen breath, care for white gums.