It works to brighten teeth by utilising colour correcting technology. By counter-balancing the different hues in your teeth, It conceals stains and improves brightness. Herbal extraction and preparation natural ingredients provide a strong whitening effect for your teeth and ultimate safe solution for your gums and teeth. Nano-hydroxyapatite formula toothpaste foam can penetrate the enamel crevices and remove food particles, and deep stains embedded there, achieving the effect of removing deep stains. Contains advanced stain removal formula to remove deep stains, make your teeth whiter, and make your smile more beautiful.