Melanoma is a serious form of skin cancer that arises from the pigment-producing melanocytes in the skin. According to archaeological research, the earliest confirmed cases of melanoma date back approximately 2400 years, found through melanotic metastases in the skeletons of Pre-Colombian mummies from Chancay and Chingas in Peru. This discovery challenges the misconception that skin cancer only emerged in recent history. The widespread belief that sunscreen causes skin cancer lacks scientific evidence. In fact, the rise in skin cancer cases observed today can largely be attributed to increased life expectancy and cumulative sun exposure over time. As people live longer, their skin cells accumulate more mutations caused by ultraviolet (UV) radiation from the sun, which elevates the risk of developing skin cancer, including melanoma. Sunscreen plays a critical role in protecting skin from harmful UV rays by blocking or absorbing radiation to prevent DNA damage. Dermatologists strongly recommend regular use of broad-spectrum sunscreens as part of comprehensive sun protection strategies, including wearing protective clothing and avoiding peak sun hours. Understanding the historical context of melanoma and clarifying misconceptions about sunscreen helps reinforce the importance of skin cancer awareness and early detection. Regular skin examinations and prompt attention to new or changing moles can greatly improve prognosis. Advances in dermatology continue to emphasize prevention, early diagnosis, and effective treatment of skin cancers. Ultimately, informed sun protection practices combined with public education can reduce the burden of melanoma and other skin cancers worldwide.