Bite Free Spray – Ready-to-use, water-based spray formula for horses and ponies features a special conditioner that binds to the hair shaft to keep working in moist conditions or when horse sweats. Repels biting stable, horn, horse, deer and nuisance flies, plus gnats, lice and mosquitoes. Also kills and repels ticks that may transmit Lyme disease. For use as a spray or wipe. Reapply every 5-7 days or after washing; as protection builds, reapply every 10-14 days as needed. Contains 0.15% cypermethrin, 0.20% pyrethrins, 1.6% piperonyl butoxide and sunscreen.