2.Looking in the mirror or cell phone to compare your teeth with shade guide paper to record which stage you are in.
3.Twist teeth whitening pen, until the gel flows to the brush. Apply the gel evenly on your teeth, both upper and lower. Do not brush too much gel, more gel won't give you faster or better result. Each time use about 0.5-0.7ml. Avoid applying the gel directly on you gum.
4.Make sure its fully charged before first use. Put mouthpiece into your mouth and bite it, the turn on the kit.
5. The Whitening device will turn off automatically after 16 minutes. Take it out, rinse the mouthpiece and your mouth with water and compare your teeth with shade guide paper again to see how many stages have improved.
6.Do not eat or drink anything except water for 30 minutes after you finish the treatment.