Since infection fighting cells need to fight the bacteria, the blood vessels open more and it causes the inflammation. Those little bumps on your face are called blackheads. They can be painful, but only if they are irritated. There are many ways you can stop acne all together before it starts. Although, once you get acne, there is no cure.
People usually get acne on their face and on their forehead.
You can get acne on your neck, shoulder, chest and back. You can avoid acne by cutting down on greasy hair oils or cosmetics, and you should avoid leaving makeup on overnight. You should wash your face every day by scrubbing vigorously. This will help the top layer of skin peel away taking most of the sebum with it. Dry your face with a rough textured towel.