Insect repellents work by either blocking the cues that identify the wearer as a potential blood meal or providing an odour that overrides that of the your natural scent. There are a wide range of repellents available, broadly categorized as either synthetic or botanical in nature. Synthetic repellents The most effective and widely used repellent internationally is DEET (diethyltoluamide). Developed by the United States Army … Continue reading Insect repellents