National Geographic : 1917 Oct
COPYRIGHT 1917BYTHEPROCTER & GAMBLE CO., CINCINNATI VORY SOAP is as indispensable in the shower bath as in the tub. The flowing water cannot do the work of the cleansing lather. To make the skin really clean, soap must be rubbed into the pores so that the excretions are absorbed. Ivory Soap can be rubbed in as vigorously as desired because it is free from all materials that irritate and inflame. IVORY SOAP. 99o%PURE "Mention the Geographic-It identifies you."