Citronella Free, Naturally Scented Essential Oil Bug Repellent Spray The Official Bug Spray of a Scavenger Hunts. Nantucket Spider Summer Camp, is much like (and equally effective to) our original formula but it is made without Citronella, an ingredient to which many people have an aversion. Great for kids and adults alike. A natural bug repellent spray small enough for Carry On Luggage - our bring anywhere 2-ounce size can accompany you on all of your biggest adventures Our natural, DEET-free no citronella formula for kids and adults is composed of a unique blend of organic essential oils and is highly effective at repelling mosquitos (99% effective in independent tests) and works extremely well against biting flies. Made specially for those who dislike the scent of citronella. Intended for head-to-toe application including hair, clothing, skin and gear.