bye bye sensitivity gel pen
What: Those who are prone to teeth + gum sensitivity can whiten their teeth with ease with this Vitamin E oil treatment. The Bye Bye Sensitivity Gel Pen is just that: a pen that allows you to say bye bye to teeth sensitivity!
Ingredients: Propylene Glycol, Glycerin, Aqua, Potassium Nitrate, Carbomer, Cellulose gum, PVP, Menthol, Sodium Hydroxide.