Safe Ingredients Gentle formula, no fluorine, no artificial dyes, suitable for tooth whitening and tooth desensitization. Fully protect your gums and teeth, fresh breath. Teeth Whitening Foam Superfine foam can effectively clean and dissolve stains on teeth, brighten teeth, provide fresh breath and healthier gums! Because the baking soda toothpaste cleansing foam can penetrate cracks in tooth enamel, remove embedded food particles. More Effective Than Traditional Toothpaste: 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. How to use : Simply apply a dollop of foam to your toothbrush and brush your teeth thy way you always do. Use it anywhere, just spray into mouth for 30 seconds then spit out. Application: The teeth whitening toothpaste use to protect dental gum, clean teeth, remove stains, freshen breath, whiten teeth, strengthen tooth enamel, and repair oral injuries. Using our products can remove breath and tooth stains, so that your teeth become as bright as pearls.