Features: Natural Ingredients: Natural Ingredients, help to break down the pigmentation on the surface of the teeth, block pigmentation, make your teeth no longer yellow teeth. Safe: This fluoride-free toothpaste foam can penetrate the enamel crevices and remove food particles, and deep stains embedded there. Intensive Stain Removal: The strong cleaning power can penetrate the enamel crevices and remove food particles, and deep stains embedded there. More Effective: Formulated for a thorough and intensive removal of stain and prevention of cavities while keeping your mouth clean. The foaming action effectively removes residue and odor-causing from your teeth and aligners keeping them clear and looking new. Easy to Use: Simply apply a dollop of foam to your toothbrush and brush your teeth the way you always do. Specifications: Product size: 13.5*3.2cm Shelf life: 3 years Net content: 30ml