All-natural, water-based Calm Coat Fly Repellent can be used as a spray or wipe-on for horses, ponies and foals. Repels biting insects including black, deer and yellow flies, mosquitoes, no-see-ums, gnats, chiggers and ticks. Blended of citronella, eucalyptus and other botanicals without the use of harsh chemicals or pesticides. Calm Coat Fly Repellent is gentle enough to use daily. Non-greasy, non-oily. Pleasant herbal scent.