By InStyle Staff
Updated May 08, 2011 @ 7:00 am
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Credit: Jason Merritt/Getty Images

Join us on a global scavenger hunt for the best hair-care secrets on earth! Brazilians break out the cocoa butter and coconut water to moisturize their locks while Argentinians turn to aloe vera when they need to hydrate their hair. Singer Leona Lewis (left), who is of Guyanese descent, always hits the red carpet with shiny strands, which may mean she's eating sardines like hairstylists from Guyana suggest. Click through the gallery to see the best hair tips from around the world!