100% natural formulation. Effectively repels all types of sucking and biting lice, mite (including the Harvest mite), midge, tick, mosquito and black fly for up to 24 hours. Suitable for young, recovering and elderly animals including horses, ponies, cattle, dogs, cats and other small pets. Spray directly onto ticks and bot eggs to loosen naturally then simply wipe away. HSE 8163.Please note Images shown may not represent exact sizes colours types etc