But you can use tooth powder or toothpaste, as long as the toothpowder has similar ingredients. To use tooth powder, run your toothbrush's bristles under water and shake the tooth powder over the bristles. Once you have a small amount of powder coating, the bristles, brush your teeth as usual.
· The supposed benefits of applying toothpaste on your penis include: preventing premature ejaculation, increasing girth, and maintaining erection 30 minutes longer. But along with these fallacies, are some pretty compelling reasons why toothpaste is actually harmful to your genitals.