Procter & Gamble Co. has shipped most of its Zest soap business to a private equity company.  The sale, which the world's largest consumer products company announced Tuesday, is its latest move to focus more on its biggest and fastest-growing brands such as Gillette shavers, Tide detergent and Olay skin cream.  P&G spokeswoman Kate DiCarlo said Zest was no longer a strategic fit as a global brand, but does have a role in some markets.
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