Ultraviolet radiation is a form of electromagnetic radiation with a wavelength between 230 nm and 395 nm. It can cause a photochemical effect - the destruction of molecules according to the principle of strengthening radicals.
Ultraviolet irradiation is used in medicine to treat various diseases: dermatitis, psoriasis, and some forms of skin cancer. In medical institutions, ultraviolet radiation is used to disinfect and sterilize premises. However, prolonged exposure to ultraviolet radiation on the skin can lead to skin damage and the development of various skin diseases such as sunburn and melasma. Symptoms of these diseases can range from mild skin irritations to serious swelling. For prevention