Wool fat (7)
I believe the answer is:
lanolin
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">wool fat</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for lanolin that I've seen before include "Secretion on wool" , "Wool extract used in some ointments" , "Oily substance on wool" , "Fat extracted from wool" , "Wool fat used in ointments" .)