Picaridin is a synthetic insect repellent that is effective against mosquitoes, ticks, and other biting insects. It was developed in the 1980s and is known for its ability to provide long-lasting protection without the strong odor associated with some other repellents, like DEET. Picaridin is often preferred for its skin-friendly properties and is safe for use on children over two months old. This repellent works by interfering with the insect's ability to detect humans, making it less likely for them to bite. Picaridin is available in various forms, including sprays, lotions, and wipes, making it easy to apply and suitable for outdoor activities.