Carruthers and his wife Dr. Jean Carruthers led the discovery of the cosmetic use of botulinum toxin A Catherine Santino is a Style Writer-Reporter at PEOPLE. She began as a contributor for PEOPLE in ...
With his wife, Dr. Jean Carruthers, he conducted hundreds of studies on the wrinkle-erasing properties of the neurotoxin that causes botulism. The work revolutionized beauty care. By Penelope Green ...