Acne can be a source of stress, lead to low self-esteem, or prompt teasing in school. Knowing what causes acne can be the first step in getting rid of it. Here are the top five causes: Overproduction of Oil If you have abnormally oily skin, you are more prone to having a problem with acne. This is something that is genetically ingrained in your skin from birth. There is nothing you can do to stop the production of oil permanently, but you can slow it down for a period of time so that you can treat your acne. Keeping your skin clean is always the first step. Dead Skin If you do not wash your face regularly, you will have a buildup of dead skin that you cannot see but will irritate your face. Some people shed their dead skin more frequently than others or in an irregular manner. Again, washing your face and occasionally using a scrub to remove the dead skin will help to treat and prevent acne. Bacteria Foreign particles and bacteria on your skin can worsen acne or cause it to develop. ...