Teeth Whitening Pen
This product is mainly composed of potassium nitrate, potassium dihydrogen phosphate and inert fillers. Acidic potassium nitrate acts on the dentin tubules to inhibit the conduction of harmful stimuli.
The PH value is 4±0.5, and the nitrate ion concentration in the gel is not less than 4.75% (47500PPM).
Instructions
1. Clean your mouth (brush your teeth)
2. Use a cotton ball to dip the gel and apply it on the affected area, or put it on a toothbrush, and rub the affected area according to the method of brushing your teeth.
Rinse your mouth after 3.5-10 minutes