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| Causes of skin damage |
Skin and other organs in decline as you get older. The process of occurrence on each person differently. Wrinkled skin is a problem that was feared, especially by women. There are three kinds of wrinkles. Located on the surface wrinkle (superficial), called lines. This fine lines caused by an uneven layer of epidermal thickness. The second is called fold wrinkles. Fold occur in older people due to the thickness of the epidermis of skin had changed. Third, the wrinkles that occur due to facial expressions. This wrinkle is affected muscles under the skin. Working muscles can cause excessive folds of the skin line.
Other disorders of the skin in addition to acne, is a plaque. Spots occur because of our skin type is included in an easy-colored skin types arise abnormality pigmentation. Plaques on the face often occurs due to the number of melanocytes (cells that give color) doubled.
If the outermost layer of skin (epidermis) to thicken, the skin will look dull. Clogged pores on the skin layers can cause a small rash or pimple is white, while the oil glands in the skin to produce skin oil (sebum) is excessive.
Skin damage can be caused by exposure to ultraviolet rays, cigarette smoke, use and maintenance of the wrong, pollution, especially ultraviolet B (UVB) with a wavelength of 290 to 320 nm, and ultraviolet A (UVA) with a wavelength of 320 to 400 nm. Free radicals are formed due to exposure to UV rays can destroy collagen and elastin to maintain skin elasticity, so the skin becomes wrinkled and the wrinkles faster. Free radicals also makes the production of melanocytes have excessive amounts causing pigmentation. Free radicals can also be formed from air pollution.
Nicotine contained in cigarettes narrows the blood tissue so the skin looks unhealthy. Collagen and elastin can also be damaged due to chemical reaction with acetaldehyde, the content contained in cigarettes. Cigarette smoke can irritate the skin, for example, only thin-skinned eye area.
Cosmetics with a high content of alcohol can damage the skin. Alcohol can make the skin becomes dry and make fine lines look more and more clear. Alcohol also contains acetaldehyde. Be careful to use cosmetics that contain dyes, preservatives or cosmetics antipigmentasi with the element mercury, which can endanger saliccylid acid skin, and even overall body health.
source:info-sehat.com
