Zest is a soap bar, produced by Procter & Gamble and marketed as deodorant bar that leaves no "soap" film. It was first introduced in 1958 with the slogan "For the first time in your life, feel really clean." The soap experienced an uptick in sales in the 1980s and early 1990s, with the advertising slogan "Zestfully clean!", coined by the BBDOsloganeerJames Jordan.
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