• Question: where does the dirt in finger nails come from

    Asked by joanna22 to Alex, Josh, Serena, Simone, Stuart on 25 Jun 2013.
    • Photo: Alexander Munnoch

      Alexander Munnoch answered on 25 Jun 2013:

      Hi joanna22,

      It will come from a combination of places – food, clothes, skin and dirt which you can gradually pick-up over a normal day. It’s also why it is important to give them a clean!