Orajel Active Ingredients Is It Possible To Become Addicted To Benzocaine? Is It Harmful?

Is it possible to become addicted to benzocaine? Is it harmful? - orajel active ingredients

I have a friend that his overuse Orajel. His tooth hurt for a while, and I Orajel, but now they are using every day, all the time. She loves the feeling of numbness in the mouth. This question sounds stupid, but I'm worried about this? Can benzocaine, drug addict in Orajel? And it is dangerous to use it this way? The concentration, I think, is 10%, although I'm not sure.