Our Teeth Whitening Care Toothpaste contains Sodium Lauryl Sulfate and Hydroxypropyl Methylcellulose, which can clean tooth surfaces, reduce plaque buildup, and keep your mouth fresh. Its usage method is simple: rinse your mouth with water to moisten your teeth. Apply an appropriate amount of toothpaste onto a wet toothbrush and brush for 2-3 minutes. Rinse your mouth with water until clean. It can also prevent plaque buildup and keep your teeth bright and clean