Ключевые слова: acanthoid nigricans, acne, adult, age, allergen, allergic, allergy, atopic eczema, body, burning, concept, dermatitis, dermatology, disease, disorder, dry, dryness, eczema, health, human skin, illness, infection, irritation, itch, itchy, lifestyle, mental, middle ages, moisture, neck, one person, one woman only, pain, painful, people, person, problem, psoriasis, rash, redness, scratch, skin, skin condition, stage, symptom, the human body, treatment, white background, woman, women,