Template:POTD/2014-07-07
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|image=You need only one soap, Ivory soap - Strobridge & Co. Lith. - Restoration by Adam Cuerden.jpg
|size=300
|title=Ivory soap
|texttitle=Ivory soap
|caption=
An 1898 advertisement for Ivory, a brand of bar soap first sold by Procter & Gamble in 1879. Air is whipped into the soap during production so that it will float on water; the slogan "It floats!" was first used in 1891.
|credit=Poster: Strobridge Lithograph Company; restoration: Adam Cuerden