What causes pain upon touching the skin surface?

Pain upon touching the skin surface may have various causes, mainly including: 1. When the weather is dry or the skin lacks sufficient moisture, the skin may become excessively dry, leading to pain upon touch. 2. Localized skin injuries such as acne or scratches may result in symptoms like bruising, pain, redness, and swelling. 3. After contact with allergens such as pollen or dust, the skin may develop an allergic reaction, manifesting as localized pain, redness, swelling, and itching. 4. Related to factors such as high mental stress or chronic friction, presenting as local papules, scratch marks, itching, and pain. 5. An acute infectious skin condition caused by the varicella-zoster virus, commonly characterized by skin itching, burning sensation, and pain.