The recall also includes products from its Aussie and Waterless brands made in the United States and some discontinued items from its Old Spice and Hair Food brands, in which P&G said it detected "unexpected levels" of benzene, a human carcinogen. P&G did not disclose the number of recalled products, which were distributed through retail and online outlets, but said they represented less than 1% of its overall hair care product portfolio. The company said it had not received any reports of adverse events related to the recall, but added that daily exposure to the level of b...