Lysol was once marketed as a contraceptive.
In the 1920s and 1930s, Lehn & Fink positioned Lysol as a feminine hygiene product, with language implying internal use. The marketing was widely read as contraceptive euphemism in an era when birth-control information was legally restricted. A 1933 study of 507 women who relied on it that way found about half became pregnant anyway.
Lysol on Brandseum