Lip application (5)
I believe the answer is:
gloss
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">lip application</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 gloss that I've seen before include "Render plausible" , "Very shiny finish" , "Show" , "Surface shine" , "explanation for obscure word" .)