Describe Colors: Size: net weight: Shelf life: Product functions and features include: 1.Whitening effect: Contains whitening ingredients such as niacinamide, which can effectively lighten the pigment on the of teeth and help achieve a dazzling white effect. 2.Anti-caries care: The formula may contain anti-caries ingredients, which can effectively prevent caries problems. 3.Fresh breath: In addition to the whitening function, it may also contain breath freshening ingredients to make the breath fresh and pleasant. 4.Anti-sensitivity: Some products may add anti-sensitivity ingredients to relieve gum sensitivity. 5.Comprehensive care: Provide comprehensive oral care, including cleaning, whitening, protection and other functions. The method of use may be: Squeeze an appropriate amount of toothpaste: Squeeze an appropriate amount of niacinamide whitening toothpaste, usually pea-sized.Wet toothbrush: Wet the toothbrush with clean water.Brushing teeth: Dip a wet toothbrush in an appropriate amount of toothpaste, brush your teeth gently along the gum edge, and pay attention to brushing every tooth.Rinse your mouth: Rinse your mouth with clean water after brushing your teeth.Regular use: It is recommended to use it in the morning and evening. Continuous use helps maintain oral health and whitening effects. If discomfort occurs, discontinue use and consult a dentist.