The color of a person's skin is determined by the amount of pigment that contains specific. This pigment called melanin. The greater the amount of melanin, the darker the skin color. Although UV light stimulates the production of melanin, melanin acts as protection for the skin. Light skin has less natural protection and will burn easily and forcefully. A dark skin have a higher tolerance to the sun, but this does not mean that a darker color of skin does not burn. MinorThe skin is also more tolerant to sunburn. When skin is damaged by sunburn, freckles, sun spots, or can be formed. These dark spots are formed by melanin and its reaction to UV rays.
Approximately 1 / 3 of the ultraviolet rays that burn the bodies of the sun. Most of these harmful rays are reflected from the sand and water. During the winter months snow acts as a reflector of UV rays and are just as harmful when it is cloudy and overcast. The most dangerousTimes for ultra-rays are Voilet 11.00 ea 15.00 clock, and especially around lunchtime when the sun's rays travel through a thin layer of atmosphere. At other times during the day, the rays are oblique and much of the atmosphere to reduce its burning power.
Redness of the skin, while in the sun, is caused by expansion and increased blood flow through blood vessels near the skin surface. Soak up the sun's rays destroy the cells. Whenseverely damaged, the bubbles occur. Repeated sun exposure also causes blisters. Avoid the bubbles break, because the liquid content is effective against infections. The dead skin cells eventually flake and peel, leaving the skin unprotected. What's the first thing that usually when we are running to the pharmacy to get a sunburn? Aloe Vera Gel.
You should avoid at all costs, constant exposure to sun and always, at least, with a + 15 sun protection. In a period of years,continuous exposure to the sun causes the skin thinner and darker, that age the skin and cause wrinkles and lines, because they are weakened elastic fibers of the skin. If the skin is already damaged by exposure to the elements, remember that it is never too late to start a regime of natural skin care products with aloe vera for skin care.
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