Wrinkle-reducing injection (5)
I believe the answer is:
botox
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">wrinkle-reducing injection</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for botox that I've seen before include "(Temporary) anti-wrinkle treatment" , "poisonous cosmetic" , "It's used to smooth wrinkles, temporarily" , "Agent removing lines" .)