Below you can find the Freckles & moles are caused by a concentration of this skin pigment Jeopardy Words Answer. The answer to Freckles & moles are caused by a concentration of this skin pigment has 7 letters. This clue belongs to the The body human category and is part of Jeopardy Word Level 339. If you scroll near the bottom you will find other clues and answers part of level 339