Sun blisters (medically known as blisters) are mostly considered to be solar dermatitis, which is mainly caused by ultraviolet radiation from the sun, the skin receives more than the tolerated amount of ultraviolet radiation, the skin is burned due to the two factors of sun exposure and personal constitution.
1. Sun exposure: According to the wavelength of sunlight, sunlight can be divided into ultraviolet, infrared and visible light three kinds, and cause skin disease is mainly ultraviolet, if the sunlight is too strong, the skin is exposed to sunlight for too long, it is easy to skin burns, blisters.
2. Individual constitution:There may also be individual skin susceptibility factors, such as white, tender, thin skin. After the skin is over irradiated by ultraviolet rays, the proteins and nucleic acids in the cells absorb a large amount of ultraviolet rays and produce a series of complex photobiochemical reactions, resulting in necrosis of the epidermis and the release of a variety of active mediators, which cause the dermal vasodilatation, tissue edema and blisters.
It is recommended that patients usually do a good job of sunscreen, reduce ultraviolet radiation, diagnosed with solar dermatitis, under the guidance of a professional physician active treatment.
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