Steel bite pro your teeth and you clean your teeth really well. Then rinse off the tooth paste from your month and dry your teeth with the help of any tissue paper or paper towel. Apply the gel – you are provided with a gel in this teeth whitening system. In this step, you have to apply that gel on your teeth. Now you might be thinking of applying it with the help of your hands. No, it has to be applied with the help of the teeth whitening pen that will be provided to you. You only have to make sure one thing while applying the gel that it must not touch your lips. Also, do not let your lips contact with the teeth. This gel can hurt the skin of your lips. Let this gel to stay on your teeth for 15 minutes. Rinse off – the final step...