• Question: why do some people have a very darker knuckle than their skin colour

    Asked by 362erbb43 to Hephzi on 18 Mar 2015.
    • Photo: Hephzi Tagoe

      Hephzi Tagoe answered on 18 Mar 2015:

      Skin colour is caused by a substance called melanin which is produced by cells called melanocytes. Sometimes some peoples skin parts tend to have more melanocytes then other parts so more melanin is produced in those areas making them darker.
      Certain factors make you prone to darker patches in places like the knuckles, e.g History of skin inflammation, taking certain medications, having certain skin or hormonal diseases and sun exposure.
      Also where people tend to use chemicals to make their skin lighter, joints usually have thicker skin and usually tend to stay darker as they have more melanin and so not as easy to bleach.

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