Circean poison

noun2

1. •
   A poison or potion that changes the body but not the mind.

   • And the riven Tree in the West withered; and the broken Car was changed by the Circean poison of the golden plumes into a two-natured monster, half-bird, half-beast — a mockery of the holy Griffin. — 1926
2. •
   Anything magically (and fatally) captivating, such as a potion or applause.

   • O foulest Circean draught, thou poison of Popular Applause! madness is in thee, and death; thy end is Bedlam and the Grave. — 1834