Human skin is the outermost part of the body. With a surface area of skin betweenapproximately 1.6 square meters for a woman to 1.8 square meters for a man, make your skin and organs most widespread in the human body. However, the skin can bedamaged, especially by the sun. Sunlight on the skin can cause skin cancer. The extent of harmful sun rays to the skin? How to protect your skin from dangerous sun rays?
Effect of Sunlight to Human
The sun is essential to life. Without the sun, then there is no life on earth. The suncontributes to the process of photosynthesis in plants. In addition, the sun also acts tostimulate the body to produce vitamin D, which serves to metabolize calcium, thus forming strong bones.
Sunlight, if a little is beneficial to the body. However, excessive sun can be harmful to theskin. Even the hazard can increase with the number of rays on the skin. Why?
The sun produces radiation that reaches the earth's surface. Solar radiation is composed of infrared and visible light and ultraviolet light within a radius of A and B(UVA and UVB). Fortunately, the atmosphere absorbs cosmic rays, gamma rays and X-ray beam produced by the sun. In addition, the ozone layer in the atmosphere alsoinhibits ultraviolet radiation C (UVC) and filter out most of the UVA and UVB.Unfortunately, the ozone layer is being damaged at various places so that the ultravioletradiation is often called UV increasing lately.
Ultraviolet or UV radiation can cause skin damage, even permanent skin damageincluding skin cancer. Ultraviolet radiation (UV) can cause your skin to burn, and causebrown spots and thickening and dryness of skin. UV radiation can damage DNA,suppress immune system, and activate the chemicals in the body that can cause cancer.Other negative effects of premature aging. Even later revealed that UVA radiationpenetrates the skin deeper than UVB, which can cause skin cancer, and may suppressthe immune system.
Protecting Skin from the Sun
Your skin has a natural protection system is a layer of melanin. The more brown color of your skin is getting thick layer of melanin in your skin, thus giving more protection for your skin. Therefore, at very low among the African people getting skin cancer because of their natural protective immune enough to block ultraviolet radiation (UV). However, for those who are white have a thin layer of melanin. Therefore, the white skin, the more vulnerable to ultraviolet radiation (UV).
Given the dangers of ultraviolet radiation (UV) sun, the skin should be protected even if the body has provided a natural protection system. Burns caused by solar radiation can be skin cancer 20 years later or so. Therefore, the protection for the skin to sunlight should be considered early. How do I do? Here are some practical ways to protect your skin from dangerous sun rays and reduce the risk of skin cancer.
Limit your time exposed to direct sunlight, especially between the hours of 10:00 until 16:00. Because at that ultraviolet radiation (UV) which was at its height that is dangerous when the sun is hot-hot.
Check all of your skin for any abnormalities or at least every three months.
Before doing activities outdoors, use sunscreen (UV protection), broad-spectrum SPF 15 or higher. Also use a sunscreen that can protect against UVA and UVB radiation (see the article Sunscreen for further explanation). Apply sunscreen to the skin surface about 20 minutes before sun exposure, then apply again after 20 minutes of direct sunlight.
Apply more sunscreen every two hours when outdoors, especially if you're swimming or sweating. Sunscreens are easily erased with sweat and towels.
Wear clothing that protects the skin as a hat with a wide mouth cap, sunglasses with anti-UV protective lenses, long pants, long sleeves, or jackets.
We recommend wearing clothes that knitting meeting with a dark color because it gives more protection.
Begin to protect the skin from an early age to teach your children about the dangers of the sun during the day.
Avoid surfaces that reflect sunlight, such as water, sand, polish floors. Give extra attention to your skin if you are in the area.
Wherever possible you shelter in place or activity that is not exposed to the scorching sun.
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