When you have pimples on your forehead it can be indication of problems with your digestive system and could mean that your body is having a hard time breaking down certain foods that you eat.
Forehead pimples can also be caused by liver problems, sleep deprivation or even stress.
You can get rid of pimples on your forehead by soaking a cotton ball with lemon juice and apply the lemon juice to the forehead pimples and let it sit on your pimples for up to 10 minutes or until it dries and then wash it off.
Repeat this twice per day until the forehead pimples go away.
Toothpaste applied to forehead pimples or other pimples helps to dry out the pimple and cause it to go away.