Remove tooth stains: The product includes 3 tooth cleaning pens, which can quickly decompose tooth stains deposited by coffee, tea, red wine, etc. for many years, and continuous use can restore the natural luster of teeth. Gentle gum protection formula: It uses hypoallergenic ingredients and does not contain irritating chemicals. It protects tooth enamel while whitening. It is suitable for daily use. People with sensitive teeth can also experience it with peace of mind and avoid discomfort. Precise positioning: The rotating design is matched with a soft brush head, which can easily control the amount of use. It can evenly cover each tooth in 30 seconds to avoid contact with the gums. No need to rinse after use, saving time and effort. Easy to carry: The slim pen body of only 12.5cm can be carried with you. Whether it is office, travel or party, you can reapply it at any time to maintain the whitening effect. The transparent tube body can grasp the remaining amount in real time. Long-lasting fresh experience: Add natural essence, the mouth is refreshing and comfortable after use, and the odor is diluted. Every use can make your mouth feel clean and fresh.