CACTUS JUICE ECO-SAFE 6 OZ Containing no harmful chemicals and formulated with your health in mind, this natural, lightly fragranced blend of Prickly Pear Cactus, emollients and moisturizers creates a shield that protects the skin from most insects, including sandflies, no-see-ums, black flies, gnats, and mosquitoes. Safe to spray on clothing.