Human hair color - Wikipedia, the free encyclopedia

Human hair color - Wikipedia, the free encyclopedia

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日期:2024-07-15
Generally, if more eumelanin is present, the color of the hair is darker; if less ... At 1-2% of the population, it is the least common hair color in the world. ... 50–70 years of age with dark eyebrows but gray hair are significantly more likely to have ...看更多