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The sun supplies the Earth’s surface with energy in various forms, including UV radiation,
visible radiation (light), and infrared radiation (heat).
However, environmental pollution is damaging the ozone layer, allowing more harmful UV rays to reach the Earth’s surface.
To address this situation, we developed SK Skincare Film, a smart, eco-friendly product that protects your skin from harmful UV rays and saves energy by preventing infrared radiation from heating up the environment inside your car.
visible radiation (light), and infrared radiation (heat).
However, environmental pollution is damaging the ozone layer, allowing more harmful UV rays to reach the Earth’s surface.
To address this situation, we developed SK Skincare Film, a smart, eco-friendly product that protects your skin from harmful UV rays and saves energy by preventing infrared radiation from heating up the environment inside your car.
The sun emits energy in a wide range of wavelengths.
Radiation from UV rays, which have wavelengths shorter than
those of blue or purple visible light, burn the skin and have adverse
impacts on human health. The ozone layer, which is located in the
stratosphere, prevents most harmful UV radiation from reaching life
on Earth. But as the ozone layer grows thinner, more and more UV
radiation is permitted to reach the Earth’s surface.
Scientists categorize UV radiation into three types: UV-C, UV-B,
and UV-A. The ozone layer in the stratosphere is not a perfect
barrier to UV radiation, meaning that some wavelengths of UV
rays are able to reach the Earth’s surface.
Radiation from UV rays, which have wavelengths shorter than
those of blue or purple visible light, burn the skin and have adverse
impacts on human health. The ozone layer, which is located in the
stratosphere, prevents most harmful UV radiation from reaching life
on Earth. But as the ozone layer grows thinner, more and more UV
radiation is permitted to reach the Earth’s surface.
Scientists categorize UV radiation into three types: UV-C, UV-B,
and UV-A. The ozone layer in the stratosphere is not a perfect
barrier to UV radiation, meaning that some wavelengths of UV
rays are able to reach the Earth’s surface.
(1) UV-A (320~380nm): UV-A rays are not absorbed by the ozone layer. With wavelengths ranging from 0.32 to 0.38㎛, UV-A radiation may carry less energy than UV-B, but can still burn your skin. Although sunburns are caused mostly by UV-B, UV-A not only reddens the skin but also has an impact on the skin’s immune response, resulting in skin ageing and long-term skin damage. Recent reports claim that prolonged exposure to UV-A resulting in sunburn raises the risk of skin cancer as much as exposure to UV-B. When UV radiation makes contact with the human body, it is absorbed by the skin, stimulating an immune response to protect the skin from damage. For instance, when some cells are exposed to UV rays, they produce dark pigments of melanin, a substance that absorbs UV rays. Therefore, people whose cells produce less melanin, such as fair-skinned people, have less natural protection against UV-B.
(2) UV-B (280~320nm): Most UV-B rays are absorbed by the ozone layer, but some do reach the Earth’s surface. The UV-B radiation that reaches the Earth’s surface has wavelengths ranging from 0.28 to 0.32㎛ and is capable of penetrating deep into skin tissue, burning the skin of animals, and sometimes causing skin cancer. Most instances of skin cancer are attributed to overexposure to sunlight and UV-B. However, UV-B is not all bad. It activates provitamin D and converts it to vitamin D, which is essential to the human body.
(3) UV-C (100~280nm): UV-C rays are completely absorbed by the ozone layer. With wavelengths ranging from 0.20 to 0.29㎛, UV-C is the most damaging type of UV radiation. It is capable of causing chromosome variation, killing single celled organisms, and damaging the cornea. Fortunately, ultraviolet rays within the UV-C range are almost completely absorbed by the ozone layer.
(2) UV-B (280~320nm): Most UV-B rays are absorbed by the ozone layer, but some do reach the Earth’s surface. The UV-B radiation that reaches the Earth’s surface has wavelengths ranging from 0.28 to 0.32㎛ and is capable of penetrating deep into skin tissue, burning the skin of animals, and sometimes causing skin cancer. Most instances of skin cancer are attributed to overexposure to sunlight and UV-B. However, UV-B is not all bad. It activates provitamin D and converts it to vitamin D, which is essential to the human body.
(3) UV-C (100~280nm): UV-C rays are completely absorbed by the ozone layer. With wavelengths ranging from 0.20 to 0.29㎛, UV-C is the most damaging type of UV radiation. It is capable of causing chromosome variation, killing single celled organisms, and damaging the cornea. Fortunately, ultraviolet rays within the UV-C range are almost completely absorbed by the ozone layer.
Actinic Keratosis
Actinic keratosis is a disease caused by overexposure to sunlight, and since around 20 percent of those who suffer from it go on to develop cancer, treatment is a necessity. The condition can be treated in various ways, such as cryotherapy, excochleation, electrodesiccation, and the application of anti-cancer medication to affected areas. Decortication, laser treatment, and holmium patch treatments are also used. To prevent actinic keratosis, direct sunlight must be avoided by wearing hats or proper clothing and using a good sunscreen.
Basal Cell Carcinoma
This refers to a primary malignant skin tumor.
Generally occurring on skin that has been overexposed to sunlight for long periods of time, basal cell carcinoma is frequently found on the eyelids and around the nose. In most cases, it does not spread to other organs, and accounts for about 65 percent of all instances of skin cancer. In 80 percent of cases, this condition occurs on the head and face.
Basal cell carcinoma is common among people aged 40 and older, but the number of cases among younger age groups has been increasing gradually. In terms of ethnicity, it is mainly found among Caucasians, but recently, it has been occurring more frequently among Koreans as well. These days, there are few reported cases of basal cell carcinoma spreading to other organs. When it does happen, it spreads mainly to the lymphatic glands, lungs, liver, and bones. However, once it spread, the prognosis is not favorable, and average life expectancy is only around 10 months.
Generally occurring on skin that has been overexposed to sunlight for long periods of time, basal cell carcinoma is frequently found on the eyelids and around the nose. In most cases, it does not spread to other organs, and accounts for about 65 percent of all instances of skin cancer. In 80 percent of cases, this condition occurs on the head and face.
Basal cell carcinoma is common among people aged 40 and older, but the number of cases among younger age groups has been increasing gradually. In terms of ethnicity, it is mainly found among Caucasians, but recently, it has been occurring more frequently among Koreans as well. These days, there are few reported cases of basal cell carcinoma spreading to other organs. When it does happen, it spreads mainly to the lymphatic glands, lungs, liver, and bones. However, once it spread, the prognosis is not favorable, and average life expectancy is only around 10 months.
