OverviewUSAGE:Step 1: Clean the tooth surfaceStep 2: Apply gums. Light curing 2minThe third step: smear whitening agent, cold light for 8 minutes.Step 4: remove the whitening agent, and then coated with a new layer of whitening agent, cold light for 8 minutes.Step 5: Repeat the fourth step, a total of cold light irradiation 3 times (8 minutes each time).Step 6: remove the treatment items, warm water mouthwash.NoteDue to the different monitor and light effects, the actual color of the item might be slightly different from the color showed in the pictures. Thank you!Please allow 1-3cm measuring deviation due to manual measurement. SpecificationSize: 16*13*4cm Package Content1xBright Teeth Whitening Kit