Concealer (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">concealer</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Another definition for hider that I've seen is " Concealer".)
(Other definitions for veil that I've seen before include "Curtain, disguise" , "Face concealer" , "coverage" , "Mantle" , "Mask" .)