Skin cancer is one of the major global public health problems. One of the most common forms of malignant disease is further promoted by unprotected exposure to the sun. The development of most skin cancers is closely related to exposure to UV radiation from the sun. In general, skin cancers are divided into melanomas and non-melanomas. The much more common type, non-melanoma, often occurs on chronically sun exposed skin. In 80 % of cases it is basal cell carcinoma and rarely squamous cell carcinoma. The non-melanoma type more often affects fair-skinned people, is more common in men and occurs in older people. Usually it does not radiate, and the most common treatment is surgical removal. Melanoma, on the other hand, frequently metastasizes and represents the vast majority of deaths caused by skin cancer.

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