Test Lip-Stick On Guinea Pig (Apr, 1939)
And PETA was born.
Test Lip-Stick On Guinea Pig
IN THE photo below, Max Factor, Hollywood make-up specialist (left) and Dr. J. R. Pratt, chemist, are testing a new lipstick on a shaven guinea pig (circle). A baby guinea pig is used for the test because its under skin is ten times more sensitive than that of a human being.