Uva Uvb Protection

Uva Uvb Protection

Learn more about sun protection

Sun protection is nothing more than saving a body against the damaging effects of sunlight. too much sun has shown that cause skin damage and skin cancer. Australia has the highest rate of skin cancer in the world, often caused by excessive exposure to UV radiation. Part of solar energy that reaches us on earth consists of invisible ultraviolet (UV). When ultraviolet rays (UVA and UVB) penetrates the skin. Sunlight contains three types of ultraviolet rays: UVA, UVB and UVC. A UVA tan does not protect the skin from harmful the sun later, but only produces color and a false sense of security from the sun.

UVB rays are also dangerous, causing burns, cataracts (clouding of the eye), and immune system damage. Most UVB rays are absorbed by the ozone layer, but enough of these rays pass through to cause serious harm. About 90% of UVB rays are absorbed by carbon dioxide, ozone, water vapor and carbon before they reach the surface of the Earth. UVC rays are the most dangerous, but fortunately, these rays are blocked by the ozone layer and do not reach the earth. Sunburn is a visible type of damage that occurs within hours after sun exposure. In many people, this type damage also causes tanning.

Freckles, which occur in people with pale skin, usually caused by exposure Sun. Freckles are almost always a sign of sun damage has occurred, and thus demonstrate the need for sun protection. Ultraviolet light rays can also damage skin cells invisible. The best way to avoid sunburn is to limit the time spent in the sun, especially between the hours Sunshine maximum of 10 hours and 15 hours for sun protection, clothing must cover most of the skin as possible (ie sleeves, long necklaces, pants or skirts). The color is less important. Dark colors give more protection against UVB rays, but you can feel warmer.

The people sensitive skin who burn quickly and must spend much time outdoors always apply a sunscreen with an SPF of 30 or more. The use of sunglasses can protect the eyes of good quality. The lenses must absorb all solar UVB and UVA. The eyes of infants and young children should be protected keeping them out of the sun and the use of hats and shade. anesthetic skin creams can help a little, but can bite when it sets, and can also irritate the skin. The cold water seems calm, and use of pain relief (paracetamol) may help. anti-inflammatory creams as those used for eczema can be useful.

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