Definition and causes
Sunburn is a burning of the skin. The solar radiation consists of short wavy UV rays, and these rays penetrate the skin and cause burning injury. The body reacts with an inflammatory reaction, which manifests itself as redness, warmth, swelling and pain in the skin.
UV radiation that reaches the ground, divided into UVA and UVB. Normally when these rays framework skin, skin cells begin to form the pigment. The pigment gives the skin brown glow and protect against subsequent exposure to the sun. If sunlight is too strong in relation to the amount of protective pigment, skin cells will be adversely affected as described above.
People with light skin, redheads and people with freckles are most vulnerable because their pigment layer are small and do not provide much protection. All can be solskoldede, regardless of skin type.
Symptoms of sunburn
- It detects is usually only a sunburn after the damage.
- The skin becomes hot, sore, red and raised (a 1st degree burns).
- If simultaneously fluid-filled blisters, is a 2nd degree burn.
Complications of sunburn
Sunburn is very uncomfortable, but is not dangerous in itself. Many sunburn, especially in children age, however, increases the risk of modermærkekræft, which is a serious illness. Too much Sun (and including sunburn) also increases the risk of skin cancer. In addition, the sun's rays the main reason why our skin is aging with wrinkles and dry skin to follow. In the case of sunburn can see soleksem.
Measures taken by soleksem
You should always follow the advice on sunscreen:
- Avoid the sharp middagssol between noon. 11 and 15
- Always use solfaktor cream (at least factor 8 in the spring and at least factor 15 by traveling south during the summer).
- Solfaktor-cream be used in large amounts (40 grams of whole body *). Remember that the sun also penetrates thin skylag trees and foliage.
- Keep the body and face covered with light clothes and a hat, if possible.
- Remember that snow, water and sand enhances the sun's power because of reflection.
- Children under 6 months should not be in the sun, and older children should be as much as possible in the shadow, see also children and sun.
Treatment of sunburn
The most important thing is to have the affected area in contact with something cold and wet. It can be a cold, damp cloth, cooling cream or a cool shower, if there are large areas of the body.
In very severe cases, steroid creams help, if lubricated at a very early. Analgesic medication (aspirin) can help against the pain. Remember also to drink plenty of water, this is particularly true of small children. Patches, which are burnt, delivers much water through evaporation.
It is very important that after a sunburn stay in the shade until the skin has recovered from injury.
* 40 grams of whole body with a particular factor, similar to the protection factor figure stands for. That is 40 grams of sunscreen factor 8 corresponds to a protection factor of 8. If you are only using 20 g of factor 8 cream is equivalent to a factor of 4 protection, etc.
Sunbeams effect on the skin
The solar ultraviolet radiation passing through the semi-translucent surface and just when the leather skin. Irradiation leads to a slight fire damage in the skin, and an inflammation as a defense against damage. Leather Skin blood vessels expand, and the skin becomes red.
The ultraviolet rays stimulates the formation of pigment in the skin. Pigment shadows of the underlying layers of the skin and protects them from ultraviolet rays. The pigment is dark and gives the skin a dark appearance.