Our Teeth Whitening Essence Pen contain probiotics, tea extract, peppermint extract. It can quickly remove stains on the surface of your teeth, reduce dental problems, keep your breath fresh, and give your teeth a new look in no time. Its use method is very simple: rinse mouth or brush teeth before use, and then take out the product brush the brush head on the teeth 2 to 3 times, each tooth should be brushed, persistent use can effectively whiten teeth, clean tooth dirt, remove yellow teeth smoke teeth, white and brightening teeth, fresh breath.