Sunburn symptoms and handling method (By CNP SKIN LASER CLINIC YANGJAE, Dr. Park, Dr. Kwon, Dr. Kim)

Recently, it is a lot case that sunburn after outdoor activities or summer vacation.

Noon, it is a time that amount of ultraviolet radiation reaching on the ground is most.
Before 11:00am or after 2:00pm while the sun passed the atmosphere obliquely, is only 30~50% of the amount of solar energy reaching to the skin.

Despite the defense of melanin and the horny layer, it will show a number of skin symptoms through UVB is transmitted to the dermis 10% and UVA is 20%.


Sunburn
The most cause of sunburn is UV B. It will vary the degree of sunburn by amount of UV exposure time, a number of variables.

' Pale erythema - deep redness - painful erythema - systemic symptoms, blisters'

This step-by-step symptoms appear depending on the degree of exposure, it might have symptoms while 20 minutes of exposure at noon.

A first-degree burn : accompanied redness without blisters, there are a few hot flashes and pain.

Second-degree burn : blister occur, accompanied pain and swelling. Superficial second-degree burn which damaged dermal layer partially is required recovery time of 2 weeks.
In addition, deep second-degree burn which damaged to the most dermis is require a recovery period of 2~4 weeks, it is likely to high occur scarring.

Third-degree burn : damaged skin whole floor and changing color to black, there is nerve damage as does not feel pain.


Handling method when sunburn
1. Cool under running cold water immediately in order to reduce the heat.
2. If a first-degree burn which accompany little redness, it is available to treat burn through burn ointments.
3. If have blister, do not ever burst a blister and we recommend the hospital treatment.

If second-degree burn as caused blister, it recommend the appropriate treatment preferentially because the high risk of infection due to scar the possibility in the future.


Burn ointment
It prevent scarring after burn occurs through promote the regeneration of damaged skin cell and reducing the stimulation of peripheral nerves, reduce pain through relax muscles.

Hyperkeratosis
It is removed the 70% of the ultraviolet light B transmitted in to the skin through increase in the stratum corneum for defend against UV rays, this phenomenon is symptoms as 24 hours after UV exposure. It is takes about 30~60 days that going back to original state.

Suntan/Tanned
Tanned is to induce coloring of the skin from ultraviolet light exposure, it occur after 2 hours after the sun exposure. It reaches a its peak at around 20 days. If it is not re-exposed to UV light it disappear gradually.

In addition, the hair is damaged, rough and discolored by the sun. If the eyes exposed to the sun intensively, it could be occurrence of keratitis. Even a little exposure to the sun redness is accompanied with itching such as photosensitivity reaction. Because it may appear in various skin symptoms, sunscreen is the primary. To protect the skin with a long dress, parasol and sunglasses as blocks secondary reactor.

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Skin symptoms caused by ultraviolet rays have to be careful in the summer(By CNP SKIN CLINIC YANGJAE)

Skin symptoms caused by ultraviolet rays have to be careful in the summer

sunburn

It is symptoms that appear by ultraviolet light B, there are several steps such as pale erythema, erythema, painful erythema etc.. The last will appear as a result with the hot flush and pain and the blisters formed.
The symptom appear time is between 2~6 hours after UV exposure, if an overly exposure, there is a need for an immediate soothing to skin. Because sunlight is to induce a strong inflammatory response, it is damaged the skin cell membrane and the nucleus after 24 hours of elapsed to exposure to sunlight.

overabundance keratinization

The influence of the ultraviolet light it is dead skin becomes thick. The skin is protected due to the transmittance of the ultraviolet B is reduced by increase the stratum corneum. This phenomenon occurs after 24 hours of exposure to UV light. This will take 30-60 days for the skin to recover its original state.

Skin pigmentation

The skin coloring as tanning is the protective action of the skin caused by the sun's rays.

The more colored skin is a defense from harmful factors caused by UV rays.

 And pigmentation is starts to happen after UV exposure for 2 hours, this is the peak after 20 days, if it is not exposed to ultraviolet light it is gradually improved.

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* It is a worsen skin by ultraviolet light

1. Acne - Dead skin cells thickened by ultraviolet B is caused the acne due to interfering with the secretion of sebum.

2. Herpes simplex - When exposed to ultraviolet light might be occured a herpes or worsen.

3. Rosacea - It is be flushed badly due to the fact to expand to  the blood vessel, thereby exacerbate the flushing.

precaution

With sunglasses

In summer 11 am to 2 pm at the sun's rays are most intense.

When the eyes excessively exposed to ultraviolet light are likely to cause cataracts. Therefore, it is essential to wear sunglasses.

Hat/cap

The sun and the salt water are adversely affect the hair and hair color fading discoloration. Discoloring the cuticle of the hair and the hair becomes weak and easily broken. Therefore, to protect the hair, wear a hat.

Sunscreen

The UV is induced the skin cancer by weakening the immune system. Normal skin is protected against cancer through  the immune system. Ultraviolet B is altered the function and reducing the number of Langerhans cell also that are carcinogenic. So, through the proper use of sunscreen and clothing should protect the skin effectively.

CNP SKIN CLINIC YANGJAE

+ 82 2 3463 2400

Inquiries medical care : cnpyj1@cnpskin.com