Ultrashield brand residual insecticide and repellant is Absorbine's most advanced, ready to use repellant. It repels flies, mosquitoes and gnats on horses for up to five days. It's water based formulation has three active ingredients and is pleasantly scented with citronella. Ultrashield also contains sunscreens, coat conditioners including also and lanolin to help groom as well as protect from insects.
