Focus on Head III and explain the Reception.
Head III was described by Wyndham Lewis in The Listener on 12 May 1949, page 811: "Bacon's picture, as usual, is in lamp-black monochrome, the zinc white of the monster’s eyes glittering in the cold crumbling grey of the face. Bacon is a Grand Guignol artist: the mouths in his heads are unpleasant places, evil passions make a glittering white mess of the lips."  and then in The Listener on 17 November 1949, page 860. He later wrote that "part of the head is rotting away into space".
Wyndham Lewis The Listener zinc white Head I Head II