Applicable to smoke stains, tea stains, coffee, cola, red wine, colored food, bad habits and other reasons caused by yellow teeth, black teeth;
1. Do not use this product if suffering from dental ulcers,broken gum, or after oral surgery.
2. The user with sensitive teeth shall reduce the application times or use it under the guidance of dentist.
3. Not for the persons under the age of 16 and pregnant women.
4. Discontinue use if you feel unwell.
Package Included: 1pcs Teeth Whitening Pen