The effect of sunlight on the skin..

* The definition of sunburn.

Cause excessive exposure to the sun burning the skin, but with long-term exposure to the sun turns the dye into the outer skin layer thick and the composition of the skin cells more pigment cells, which earn the skin color.
There is a natural substance for protection in the skin called melanin, a substance that absorbs ultraviolet radiation and prevents it from deeper penetration in skin.

The sensitivity of the skin to sunlight for different races, the quality of the installation of the skin and the extent of previous exposure to the sun. But every person vulnerable to the sun in one form or another.

The persons who have darker skin color are less vulnerable and more resistant to the adverse effects of the sun's rays, which include: burning of the skin, the deficit early, skin cancer .. Because they have more melanin.

Whites do not enjoy the presence of any amount of melanin in the skin, so the skin have been affected by a very large from the sun and burn of less exposure to sunlight. Whites are more prone to skin cancer if not taken care of direct exposure to sunlight or avoided.

* Sunburn:
Sunburns occur as a result of excessive and direct exposure to ultraviolet radiation, depending on the quality of the pigment cells in the skin and exposure to the sun. Sunburn is a sunburn in the skin, swelling and severe pain lasts for hours and even a full day. Could also show some blisters and peeling of the skin.
In some cases occur in high temperature and general weakness in some people, and if the situation is much worse can happen and a sudden drop in blood pressure and fainting and very poor.

* Avoid sunburn injury:
The best ways to avoid getting sun damage is to avoid staying too long or directly in the sun.
Water is an insulator for the arrival of ultraviolet radiation to the body that are not clouds and fog buffer for the arrival of the sun for a person can be anyone exposure to sun burn injury with the presence of clouds and fog.
Reflected UV radiation from the water and sand, snow and up to the skin, so it must be put in creams or ointments, which contain materials that are protected from sunlight by direct exposure to the sun, the forces .. But there are some types of these creams cause allergies for some people, so caution should be taken when used well.

* Treatment of sunburn:
With the appearance of any Ahmraaly skin should not be exposure to the sun immediately. Cold water helps to relieve pain in areas where you feel the heat, as well as soft drinks and creams that do not contain any alcohol does not cause irritation or friction of the skin. On oral corticosteroids (Corticosteroid) can help in the reduction of pain within hours.
Inflamed skin begins to heal from the sun during the days, but full recovery may take weeks for the skin.
Lower part of the men, and particularly INTRODUCTION leg cause more pain and are slower in recovery. For at least parts of the skin exposed to the sun in general can be affected by the sun's rays are strongest and to contain a small amount of pigment cells, and include those areas which cover a swimming suit - top team - the wrist if the person wear a watch on a regular basis.
Areas of infected skin sunburn are more susceptible to other injuries, which many continue to be treated for a long period where the doctor determine the extent of injury and type of antibiotic to them.
After healing of the skin and hollow, the same region to be thinner later and more sensitive to sunlight and remain highly sensitive to the sun for several weeks.

* Vulnerability to the sun in the long term:
Exposure to the sun for long periods of time helps early deficit of the skin, but exposure to them constantly before the age of 18 years is more dangerous.
Although the types of soft leather and white more vulnerable to sunburn from other skins, but all other kinds of skins affected and changed if it is exposed to the sun continuously and excessively.
The arrival of the sun to the depths of the skin cells leads to an early wrinkles and a change in skin color. The sun also works to reduce the thickness of skin layer and thus be more susceptible to the growth of cancer cells.

* Treating sunburn:
The key to treatment is to reduce exposure to the sun directly, but if there are already infected can be treated.
Moisturizing creams and make-up (cosmetics) can help to hide the signs of wrinkles. There are some materials and medicines sometimes help to stop the effect of sun on the long term, particularly wrinkles and light non-natural dyes.
Although the benefits of these treatments are known but there is little evidence indicating that the deep wrinkles can be treated and disposed of, and skin infections, Hrogah could decline.
And cells that grow by the growth of cancer cells can help the growth of cancer cells later.

* Sensitivity of the skin against the rays of the sun:
Although the injuries and damages that occur as a result of the skin the sun appears after a while, but there are some cases affected after minutes of exposure to the sun. These effects include skin redness, peeling, rash, blisters and the thickness of the layer of the skin.
There are many factors these symptoms appear quickly, but most of these factors is the use of certain types of drugs such as antibiotics and anti-fungus .. This is not the only Valhassasip excess of the sun can also be a result of some types of soap and perfume.
Some drugs used to treat dandruff and eczema, certain diseases such as systemic lupus erythematosus and diabetes Alverwrin help to increase the intensity of sensitivity to the sun.
There are some cases of sensitivity to the sun but without the appearance of any pathogenic agent or influence of drugs. For some people, through simple exposure to sunlight suffer inflammation and redness and spots on the skin.

All of these effects are in people who are exposed to the sun once in the summer or Riba, but this is not widespread among people who are exposed to the sun throughout the year.

* Prevention and treatment:
People who suffer from extreme sensitivity to sunlight should protect themselves by wearing good clothes protect them well, and avoid sun exposure as much as possible and also use sun creams.
Note a person's good for the type of drugs, which dealt with Owalomrad that afflict the help the doctor determine the causes of the high sensitivity to sunlight.