What Are Skin Allergies?

Skin allergy is an allergic reaction of the body. It is an abnormal reaction of people to normal substances (allergens). Allergies occur when allergens come in contact with people with allergies. Allergens include pollen, dust, and foreign bodies. Hundreds of types of proteins, chemicals, and ultraviolet light. In the occurrence of allergic reactions, allergic media play a direct role. Allergens are the external cause of allergic diseases, and the body's immune capacity is low. The oxidative damage of mast cells and basophils by a large number of free radicals is the internal cause of allergies. .

Skin allergies

Skin allergy is an allergic reaction of the body. It is an abnormal reaction of people to normal substances (allergens). Allergies occur when allergens come in contact with people with allergies. Allergens include pollen, dust, and foreign bodies. Hundreds of types of proteins, chemicals, and ultraviolet light. In the occurrence of allergic reactions, allergic media play a direct role. Allergens are the external cause of allergic diseases, and the body's immune capacity is low. The oxidative damage of mast cells and basophils by a large number of free radicals is the internal cause of allergy .

Western Medicine Name

Skin allergies

Chinese Medicine Name

Skin allergies

Affiliated Department

Department of Physiology-Dermatology

Disease site

skin

The main symptoms

Redness, itching

Main cause

Allergens, pollen

Contagious

Non-contagious

Skin irritation is a very common form of allergy, and 20% of people have skin irritation. Skin allergies are also called allergic skin. A major feature of allergic skin is itching. From a medical point of view, skin allergies mainly refer to skin when it is subjected to various irritation such as cosmetics, chemicals, pollen, certain foods, polluted air, etc., resulting in redness, itching, peeling, and allergic dermatitis. Allergic symptoms.

1. Redness, itching, redness and swelling of the skin under aseptic conditions are more common in those with congenital fragile skin;

2. Eczema is easy to produce every season, and it is weak against ultraviolet rays. It will cause skin allergies to synthetic fiber fabrics, excessive perfumes, and changes in water quality. The main causes of skin allergies are eating seafood, using or contacting metal-containing substances, breathing air containing plant pollen, and responding to objects or insects;

3. Capillary blood is not congested for various reasons, causing blood circulation disorders, which leads to skin allergies;

4. Skin allergies to certain cosmetics, no matter how advanced cosmetics and skin care products are, it is nothing more than a mixture of colorants, oils, fragrances, alcohol and other materials, various pearl creams, ginseng creams and various types of pharmaceutical powder , Are also based on colorants, oils and fragrances, alcohol on the basis of adding a variety of pharmaceutical ingredients. Studies have shown that both the basic composition of makeup or skin care products and fragrance substances can cause skin discomfort.

The causes of skin allergies include internal factors and external factors:

External causes: Including diet, inhalation, climate, exposure to allergens, etc. Among them, seafood, protein, spicy food, wine, inhaled pollen, dust mites, cold weather, exposure to chemicals, soap, detergent, etc. are the most common causes of skin allergies.

Internal causes: Allergic substances are combined with bronchial mucosa, nasal mucosa, skin blood vessels, allergic rhinitis that produces sneezing and runny nose, allergic asthma that is wheezing, allergic dermatitis of pruritus dermatitis, etc. In the process of allergic reactions, allergic media play a direct role. Allergens are the external cause of allergic conditions, and the body's immune capacity is low. The oxidative damage of mast cells and basophils by a large number of free radicals is the internal cause of allergy .

In addition, according to the theory of traditional Chinese medicine and the latest research results, allergies are mainly caused by wind, dampness, and heat in the blood and skin, or due to blood heat and external wind. That is to say, it is related to the presence of certain toxins in the blood.

Skin allergies have the following characteristics: Skin allergies are characterized by:

1. The skin epidermis is thin, delicate and fair, with less sebum secretion, and it is drier, with obvious microvessels. The skin appears to have reduced drier function, the ability of the stratum corneum to retain moisture is reduced, and the sebum film on the skin surface is not completely formed.

2. Contact with cosmetics or seasonal allergies can easily cause skin allergies, redness, swelling and itching. The skin lacks luster and the cheeks are easily congested and red.

3 The skin tends to be unstable due to seasonal changes. The main symptoms are itching, burning, tingling, itchy skin, and small rashes.

4 Easily affected by the external environment or substances such as cold wind, food, water quality, ultraviolet rays, synthetic fibers, flavors, and pigments.

5. Skin problems can occur when exposed to irritating substances. Allergies to sunlight, climate, water, plants (pollen), cosmetics, perfumes, mosquito bites and high protein foods can cause allergies.

Skin allergies are broadly divided into the following types:

A. Dry skin allergies No matter what season, the skin is always dry and rough. When you put on the lotion, you will feel some slight tingling, itching, and sometimes redness. People with these symptoms are dry skin. allergy. The cause of skin allergies is that the skin's defense function is reduced due to dry skin, as long as excess sebum is removed and sufficient moisture is maintained.

B. Oily skin allergies. Acne and small particles are easy to appear on the face, and they can become red, swollen, and irritated. Even dry parts such as the cheeks can develop acne. Experts say that people with these symptoms should be oily skin allergies. Sensitive cause is that excess sebum and insufficient moisture cause skin protection function to decrease, as long as excess sebum is removed and sufficient moisture is sufficient.

C. Stress skin allergies alternate with the seasons and before the physiological period, makeup products will become unsuitable. As long as you lack sleep or stress, your skin will become dry. People with these symptoms should be stressed Skin allergies. The reason is endocrine disorders caused by various external stimuli or hormonal imbalances.

D. Permanent skin allergies are like allergic dermatitis or abnormally sensitive sources such as sunlight, spices, pigments. Certain irritants (allergens) cause allergic reactions. If you still follow your daily maintenance methods, it will be dangerous. It is best to go to a dermatology clinic immediately and use the maintenance products recommended by your doctor.