Why does fake tan stay on your hands when it has washed off the rest of your body?

Question: Why does fake tan stay on your hands when it has washed off the rest of your body?

Asked by fayeandcoral to Gioia, Iain, Jo, Leo, Mariam on 21 Jun 2010 in Categories: General.
- Mariam Orme answered on 21 Jun 2010:
  
  Haha that’s very annoying. I don’t know why though… maybe it penetrates your hands deeper if you’re using your hands to rub it onto the rest of your body?

Question: Why does fake tan stay on your hands when it has washed off the rest of your body?