"What are the symptoms of skin allergies?"

Our skin may become allergic, which is primarily related to facial skin cleansing and external environmental stimuli. This condition primarily occurs during spring and autumn, with a higher incidence among female friends. What are the symptoms of skin allergies? Let's find out together. 1. After coming into contact with certain substances, localized redness, swelling, itching, and pain may appear. 2. After using cosmetics, symptoms such as redness, burning, and itching may manifest. 3. Symptoms like papules, blisters, erosion, exudation, desquamation, and pigmentation can be observed locally or throughout the body. Severe itching can occur anywhere on the body surface and can affect individuals of any age. 4. The skin's epidermis is thin, delicate, and pale, with low sebum secretion, dryness, prominent microvasculature, decreased skin dryness function, impaired ability of the stratum corneum to retain moisture, and incomplete formation of the skin's surface sebum film. 5. Due to seasonal changes, the skin is prone to instability, with symptoms including itching, burning, stinging, skin irritation, and small rashes. 1. After taking medication, skin erythema, purpura, itching, and pain may appear, sometimes accompanied by low fever. 6. Skin itching results in scratch marks after scratching with hands, presenting symptoms similar to urticaria. 7. After sun exposure, the skin may become red, burned, hot, and painful. 8. Sudden severe itching or burning sensations occur on the skin, and localized block-like edema wheals of varying sizes rapidly appear on the affected area, ranging from the size of a grain of rice to the size of a palm, slightly elevated above the skin. 9. Exposure to cosmetics or seasonal allergies can easily cause skin allergies, redness, swelling, and itching. The skin lacks luster, and the cheeks are prone to becoming flushed and red. How to prevent skin allergies? For individuals with sensitive skin, try to use cosmetics with simple ingredients and fewer or no allergenic or irritant substances. In daily skin care, adhere to the following three basic principles: use gentle, non-irritating cleansers and moisturizers; maintain skin hydration and healthy stratum corneum function; and replenish skin oils to strengthen the skin barrier.