A Waterproof Sun Block Lotion that Repels Mosquitoes Rub on our Buzz Away Lotion Sunblock and get the double benefit of a waterproof SPF 15 sunscreen and natural DEET-free protection from bugs. Derived from natural oils of citronella, cedarwood, peppermint and lemongrass, Citronella Lotion Sunblock is the perfect, deet-free way to enjoy those sun-shiny days.