Non sensitive for teeth how to use the mysmile teeth whitening gel 1 put 1ml gel into upper and lower trays 2 you can see the results in 10 minutes. It is faster or more effective to whiten with a 28-led whitening light for 30 minutes. 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. Our powerful whitening gel use with any mouth tray helps to remove stains from coffee wine tea and smoking. Professional results in as fast as 1 treatment. Experience a 2-8 shade whiter smile in 7 days with our enamel safe carbamide peroxide formula. Proven results with millions of customer up to 10 shades teeth whitening result no burning or irritation proudly made in the usa