Ключевые слова: acne, adolescence, aging, allergy, androgen, bacteria, beauty, blackhead, block, clogged, cyst, cystic, dark spot, dehydrated, dermatologist, dermatology, disease, dry, enlarge pore, face, facial, greasy, hormone, infected, inflammation, inflammatory, irritation, medication, men, oil, papules, pigmentation, pimple, problem, pus, redness, rupture, scar, sebaceous, sebum, skin, squeezing, stress, symptoms, treatment, whitehead, wrinkle,