Most people think acne or pimples to be just part of any teenager’s life. It’s just a stage of life, most parents say. It’s there on your face because you’re young and you have overactive oil glands that cause them. In due time, your oil glands won’t be very active and your acne would heal naturally.  Well, we can only wish this is true. Because acne is a skin condition that must be taken seriously. Consider this:  Pimples can last for months. Non-inflammatory acne (whiteheads and blackheads) can last for a long time if left untreated. Inflammatory acne (papules, pustules, cysts, nodules) usually last between four days and two weeks. However, if you pick or pop it, it will last even longer and be more likely to leave a mark or scar. What Causes Acne?  The hair follicles, or pores, in your skin contain  sebaceous glands  or oil glands. These glands make  sebum , which is an oil that lubricates your hair and skin. Most of the time, the sebaceous glands make the right amount of seb