There are tutorials on YouTube that are promoting to men to rub toothpaste on your penis. Creators of these videos say that the toothpaste will help you last an extra 30 minutes in bed.
But once experts got word of this, they said to NOT DO IT! That some of the oils and chemicals can cause blisters and burns.
Here is an example of the tutorial down below. AGAIN DO NOT DO THIS!
Click here for more via the Daily Mail.