December 30th, 2009 
maya 
Vacation has arrived, it’s time for you to pamper yourself with a variety of activities that may have been there only in your imagination only. For example, a vacation this time you can sunbathe on the beach or you can also ride a horse across the sea of sand mountains Bromo or just a walk in the middle of tea plantations in Bogor, west java.
I was so engrossed in the holiday, usually at times you often forget to protect the skin of your face and body, as a result of ultraviolet rays attack you every time, and result in smooth skin becomes wrinkled and others. Now, how to overcome the sting, the sting of ultraviolet light?
Vacation was fun. But you must remember, do not let your holiday activities, you become complacent and forget to protect your body skin from the sun. Because usually when you’re on vacation, your activities will be mainly in the open than in the room. For that, do not forget to bring equipment that can protect you from the sun.
Sun on a certain limit it might be fun. In addition to the sun’s rays in the morning healthy, but too much sun, too dangerous.
Because the ultraviolet radiation contained in sunlight, can damage the DNA contained in skin cells, and this will increase the risk of changes in normal cells to become abnormal. In addition, ultraviolet light can also damage the structure of the skin causing premature aging and wrinkling of the skin appears.
Ultraviolet light is the wavelength of light. Wavelength of light itself between 500 – 1200 nanometers. There are three types of ultraviolet light, namely ultraviolet A (UVA) which has a wavelength of light from 320 to 400 nanometers, ultraviolet B (UV-B) has a wavelength of 290 to 320 nanometers, and ultraviolet C (UV-C) has a wavelength of 290 nanometers.
UV A longest wavelength, UVA usually only causes tanning effect or produce copper color on the skin. UV-A is a source of vitamin D because of this light can enter into the dermis layer of skin.
But UVA also trigger the emergence of wrinkles 10 times more powerful than UV B. Meanwhile, if UV-B, the greatest biological activity. UVB is the trigger skin cancer and cause skin burns. UV A and B is also a role in skin aging process. Meanwhile, if UV-C, the shortest wavelength, the ozone layer can filter out these rays, so you’re protected from the bad effects of UV C.
The aging process is caused by 2 things, be due to intrinsic factors (from within) or extrinsic factors (from outside). In such factors as heredity, or race. As for external factors, could cause the sun, cigarette smoke, alcohol, and the pattern of unhealthy living.
The biggest causes of aging is the sun. Factor in the cause of aging, perhaps you can not control it, but if the external factors, you still can control it by reducing the effects of sunlight into your skin. That’s why you need a sunscreen or sunblock.
In addition to lead to premature aging, ultraviolet light is also one reason why your acne is difficult to leave. Direct sun rays, making the skin becomes dry and cracked. This condition is usually followed by a buildup of dead skin cells in the pores, sebum consequently appears below the pores and cause the appearance of acne on her face.
Problem will become complicated when acne appears, because sunlight will increase the amount of melanin produced by the skin around the area of acne, acne result color to black. This black acne will look worse on the face especially when they appear longer. Another thing as the impact of direct sunlight is the possibility of skin cancer.
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