Murphy Oil Soap is an American brand of cleaning product that is manufactured by Colgate-Palmolive.

The soap, with its potassium vegetable oil base, and no phosphates, proved to be very popular in Ohio.

The other constituents of Murphy Oil Soap are sodium EDTA, propylene glycol, fragrance, surfactants, and water.

[3] Murphy Oil Soap is commonly used to clean and polish horse tack, such as bridles and saddles.

Murphy Oil Soap has been found to efficiently remove the residue that builds up on automobile wheels and hubcaps from the disc brakes.