BIO SHIELD By Portland Outdoors All Natural DEET-FREE 8-Hour Tick, Flea, Bed Bugs and Mosquito Repellent, 8oz Pump Spray Bioshield's all-natural, deet-free formula protects while you enjoy your activities outdoors. Fleas, ticks, mosquitoes and bed bugs are repelled by the scent of bioshield all-natural deet-free 8-hour insect, pest and mosquito repellent. Powered by neurorx, a registered formula created by pharmacists to attack the octopamine in insects. Octopamine is a neurotransmitter found only in insects that controls the heart rate and metabolism of the insect. Bioshield all-natural repellent forces a complete shutdown of the central nervous system that kills the insects nearly instantaneously. All bioshield products repel and kill mosquitos, ticks, chiggers, black flies, fleas and bed bugs. Bioshield is safe to use around children and pets. Proudly made in the usa. Spray use: external use only. Shake well before using. Hold bottle 6-8 inches from skin and spray in a sweeping motion. Rub evenly covering exposed skin. Do not spray near eyes or mouth. To apply to face or children, spray on hands and rub onto skin.