Oily skin, hormones, stress, dandruff, insufficient sleep, and some cosmetics can all cause severe acne. Avoid picking or squeezing the pimples as this may result in black markings and scarring. Avoid heavy oily creams, minimise junk food and excessively sugary foods, wash your face twice a day with a gentle face wash, and keep your hair and pillowcases clean. Stronger acne frequently requires specialist treatment, while mild acne may be improved with lotions containing benzoyl peroxide or adapalene. Depending on the severity, doctors may provide antibiotics, benzoyl peroxide, or adapalene. If you have painful cysts, scars, or acne that doesn't go away after a few weeks, see a dermatologist.