Hotels chains are upgrading their toiletry lines, believing that a shampoo brand can make a difference to travelers who already stock their homes with high-end products.

Marriott's luxury Ritz-Carlton chain is in the process of upgrading its toiletries in hotels around the world with Asprey's Purple Water line, Chris Gabaldon, Ritz-Carlton's chief sales and marketing officer, recently told Hotel Check-In.

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