● Dualstar Consumer Products, owner of the marykateandashley brand, teamed up with GlaxoSmithKline’s Aquafresh to launch mary-kateandashley toothpaste. Executives said it is the first time a children’s toothpaste will be co-branded with celebrities, rather than fictional or animated characters. Sold under the slogan “It’s how you smile,” the toothpaste is available in stores other than Wal-Mart, the brand’s former retail channel. The photo of Mary-Kate and Ashley to be used on the produc...