Corns, Turpentine and Kerosene for

"A very simple remedy is to apply turpentine or kerosene oil to the affected part on going to bed." It is always a good plan to soak the feet well before treating the corn, as the turpentine will penetrate more quickly.

Source: Mother's Remedies: Over One Thousand Tried and Tested Remidies from Mothers of the United States and Canada, T. J. Ritter