Sunspots
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Melanin is the pigment that produces the various shades and colours of human skin, hair and eyes. Pigmentation is determined by the amount of melanin. Melanin is produced by specialized cells called melanocytes. When melanin is unevenly distributed, there will be spots or patches of skin with more melanin (e.g. freckles, age spots, melasma) or less melanin (e.g.
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