10pc 3ml 44%CP EZGO Teeth Whitening Gel Kit Oral Tooth Bleaching Dental Clinic

How to use the gel?
1, put 1ml gel into upper and lower trays,
2, whitening 15-30 minutes each time
3, if you want whitening quickly, you can whitening your teeth every day,  your teeth will be pearly bright white within 7 days.
4, if you are sensitive teeth , you can whitening 2-3 times one week,  the gel won’t burn your teeth. your teeth will be pearly bright white within 2 weeks.