Spot on the skin (7)
I believe the answer is:
freckle
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">spot on the skin</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for freckle that I've seen before include "Small skin spot" , "Brown mark on the skin" , "Brown spot on skin" , "Lentigo" .)