but then don’t rinse your mouth. Apply whitening serum Use either the regular or extra-strength whitening serum, depending on the results you want. Twist the wand to get the product out. You might have to do this up to Steel Bite Pro0 times when you first use it. The brush tip will help you apply the serum. Imagine you are painting a white picket fence. Drag the applicator over each tooth separately. If you get it on your gums wipe it off the best you can. A small amount won’t hurt, but the product was designed for teeth only. Whiten your teeth The wireless LED device has a “shake to wake” function.