Specifications:Provide you with fast and free shippingCondition: brand and high qualityItem Type:Healthy Tooth Whitening Tooth PowderContent:100gShelf life: 3 yearsStorage method: Store in a cool dry placeFeatures: 1. Advanced Whitening Effect This nicotinamide tooth powder breaks down stubborn stains from coffee, tea, and tobacco, revealing a brilliant white smile while preventing future discoloration. 2. Antibacterial & Cavity Protection With antibacterial properties, it eliminates oral bacteria that cause bad breath and tooth decay, forming a protective barrier against cavities for stronger teeth. 3. Gum Health Enhancement Nicotinamide nourishes gums, reducing inflammation and improving firmness to combat gingivitis and prevent gum recession. 4. Long - lasting Fresh Breath It neutralizes oral odors at the source, providing all - day fresh breath while maintaining a balanced oral environment. 5. Trusted by Domestic Users Though our nicotinamide whitening tooth powder comes at a premium, it has won over many domestic users—they praise how it delivers visible whitening and comprehensive oral care in one formula. How to use: 1. Rinse your mouth with clean water to wet your teeth. 2. Put an appropriate amount of tooth powder on a wet toothbrush and brush your teeth for 2 - 3 minutes. 3. Rinse your mouth with clean water until it is clean.