A purgative (5,5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">a purgative</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>
(Other definitions for epsom salts that I've seen before include "a purge" , "Purgative" , "They should clear out!" , "Medicinal preparation" , "Medicine taken for heartburn and constipation" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">a purgative</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for castor oil that I've seen before include "move furniture quietly?" , "Purgative from African shrub" , "Medicinal stuff" , "A lubricant" , "Some help to clear out inside" .)