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.
CNP SKIN CLINIC YANGJAE
+ 82 2 3463 2400
Inquiries medical care : cnpyj1@cnpskin.com
Line is available at inquiry.
Line ID : cnpyj
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