Ключевые слова: acne, adolescence, adult, allergy, androgen, bacteria, beauty, blackheads, block, clogged, cyst, cystic, dermatologist, dermatology, disease, face, facial, glands, greasy, hormone, inflammation, inject, injection, irritation, medication, menstruation, nodules, oil, oily, papules, pimple, pimples, popping, problem, pus, redness, scar, sebaceous, sebum, shot, skin, stress, swell, symptoms, teenagers, treatment, vulgaris, whitehead, women, wrinkle,