Trying to prevent nature’s tiniest mosquitoes and insects from ruining outdoor fun can often feel like a losing battle, especially if you’re aiming to reduce the amount of chemicals you put in, on, or near your body. Free from DEET and effective for up to four hours after application, this must-try insect repellent is made from a natural blend of essential oils including lemongrass, may chang, geranium, clove bud, cypress, citronella, lemon eucalyptus, and rosemary.