Features1. Nicotinamide Two-Color Whitening Toothpaste：This toothpaste is infused with rich nicotinamide ingredients, which can effectively remove tea stains,coffee stains and other stains on the surface of teeth, keeping teeth white and gorgeous for a long time.2. Gentle and safe ingredients： Crafted with natural ingredients, our Niacinamide Intensive Whitening Toothpaste is gentle enough for daily use.It promotes overall oral health without irritation, ensuring that your teeth stay bright and healthy. Trust in our toothpaste to protect your oral health while achieving a whiter smile.3. Gum Protection：This toothpaste can effectively remove dirt in the gaps between teeth, protect gums, strengthen tooth enamel,and make teeth healthier and stronger.4. Si.