Acne is medically known as acne or facial pimples. Acne is likely to occur in one of the following situations: 1) people who are developing during puberty; 2) people with severe oily skin; 3) people who are thin, dark and masculine; 4) people who like to eat sweets; 5) people who stay up late; 6) people who are often in contact with oil because of the nature of their work and environmental conditions (e.g. gas stations, cooking, etc.). The occurrence of acne is related to sebum. The sebaceous glands open in the hair follicles. If the sebaceous glands secrete too much sebum, plus the hair follicles are keratinized by various external stimuli and endocrine hormones, so that the sebum accumulates in the hair follicles, a small blister is formed. This process usually takes about three months. If bacteria grow and multiply in the blisters, they can cause infection, thicken and form large blisters, and in severe cases, scar the face. Acne is a complex disease and, like other diseases, the results of treatment vary from person to person. However, most patients are completely cured. In a few cases, the disease is only partially controlled, but with proper treatment, the severity of the disease and the scarring can be reduced in most cases. On the other hand, if left untreated, it can leave permanent scars that can be aesthetically disfiguring. Although your dermatologist will help you to squeeze out open and closed pimples, you will be warned not to squeeze out these lesions yourself. This is very important because the wall cells of the follicle wall prevent the flow of material from the follicle into the skin and cause inflammation. If you remove these lesions yourself in an inappropriate way, such as by squeezing, then these natural barriers will be broken, thus causing more inflammation and more scarring.