Your body includes melanin, which determines the color of your skin, hair, and eyes. The more melanin you produce, the darker your skin, hair, and eyes will be. The amount of melanin in your body is controlled by a variety of factors, including your genes and the amount of sun exposure your ancestors had.
The pigment melanin, which skin cells generate, is what gives skin its color. In the event that such skin cells are harmed or ill, they can produce an excessive amount of melanin. There's a chance that melanin will gather there and give it a darker appearance. The formation of melanin acts as protection. Sunlight is the major cause of increased melanin production.
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