ru·be·fa·cient (ro̵̅o̅′bə fā′s̸hənt)

adjective
causing redness, as of the skin

Etymology: L rubefaciens, prp. of rubefacere, to redden < rubeus, red (see ruby) + facere, to make, do

noun
Med. any external application, as a salve or plaster, causing redness of the skin

*  effect: The fruit has a rubefacient effect ( Watt and Breyer-Brandwijk 1962 ) and is irritant to the nose and eyes ( Burkill 1935 ).

    * purpose: Paullinia pinnata The root and root bark are applied for rubefacient purposes ( Watt and Breyer-Brandwijk 1962 ).