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Most can easily spot the difference between a tanned and dark person. But from my research, the only difference is in the size and concentration of melanin (Jablonski). But this continues to increase with sun exposure, so I was wondering what specific differences are there between people who tan or are naturally dark. Surely they are not the same color, so what is different?

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  • $\begingroup$ note there are several forms of melanin. $\endgroup$
    – John
    Commented Aug 10, 2020 at 4:11

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