National Geographic : 1915 Aug
I. .1 - I HETHER you bathe in stream or in tub, in cold water or in warm, morn ing or evening, the way to benefit most from the bath is to use Ivory Soap. The water is carried into the pores by the mild, copious, bubbling Ivory lather instead of merely touching the surface. The excretions of the skin combine with the lather instead of remaining in the pores. The skin is cleansed thoroughly so that it enjoys to the fullest degree whatever exhilarating or soothing properties the water may have. And the delightful effects are not lessened by any irritation from the soap because Ivory is as pure and gentle as the water itself. IVORY SOAP.. [ .. 990 PURE "Mention the Geographic-It identifies you."