Skin allergies are one of the most common causes of skin conditions. Are typically caused by an immune system problem that becomes extremely sensitive after being exposed to some substance that it views as "harmful" even if it is not. Consequently, the next time these substances enter the body, the immune system releases vast amounts of antibodies, supposedly to combat these substances "harmful", but the adverse reaction of the process because of other body cells.
The substances are called allergens and can be anything from pollen breathed through the air, dust mites thrive in carpets and furniture surfaces. They are also found in pets, especially cats and dogs. With regard to skin allergies, usually occur when skin comes into contact with skincare products that contain allergens, cosmetics, perfumes, etc.
How the work of skin allergies?
When the immune system encounters a substance that can potentially cause disease, produces antibodies called immunoglobulin G or immunoglobulin M. With the production of these antibodies, the immune system becomes sensitized and now able to neutralize the substance, helping you recover from illness after a few days.
As time goes, your sensitized immune system is now ready to produce large amounts of antibodies quickly the next time you find the same substance. This rapid production of antibodies makes you able to recover from illness quickly as possible so you do not even suffer any symptoms.
With skin allergies, on the other hand, the situation is a little different. When an allergen - for example, a cosmetic ingredient - comes into contact with your skin for the first time, your immune system will also produce antibodies, only this time, instead or immunoglobulin producing E.
The also bind with the allergen cosmetic and do the same thing that made any substance normally harmful, prompting the sensitization process. Without this awareness, no skin allergies occur.
Because the immune system is sensitized to the allergen and cosmetics, the next time you get exposed to it, your body produces mass, which then bind to allergens, and any mast cells. Mast cells are a type of cells many chemicals that can cause inflammation, first among them is histamine. The causes the mast cells release these chemicals into the surrounding tissue, causing inflammation, redness (erythema), and itching (pruritis) on the surface of the skin. The reaction is seen on the surface of the skin is called a wheal or a hive and is considered one of the common symptoms of skin allergies.
Types of skin allergies
There are three main types of skin allergies: food allergy, contact dermatitis, and dermatitis or atopic allegic inhaled. Skin allergies can be caused by an allergic reaction to ingredients or preservatives in food, such as horse meat, beef, pork, eggs, fish, chicken, corn, soy, preservatives and dyes, dairy products, products of poultry, etc.
Contact dermatitis is a type of skin allergies caused by allergens that come into direct contact with skin. Most common among these types of allergen is poison ivy and ragweed. Ragweed can also be a cause of inhalant allergies of the skin, as well as pollen, house dust, the dust mites, mold, animal dander, feathers, grasses, trees, and shrubs.
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