In the skin, melanin formation occurs after exposure to ultraviolet radiation, causing the skin to turn tanned clearly. Melanin is an effective light absorber Pigments can dissolve more than 99.9% of absorbed UV rays. Because of this property, melanin is thought to protect skin cells from UVB radiation damage, reducing the risk of skin cancer. Moreover, although exposure to ultraviolet radiation is associated with an increased risk of melanoma, a form of melanoma, studies have shown a lower incidence of cancer. Human skin has more concentrated melanin, meaning darker skin color.
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