(Bayer) Highly effective pour-on contains Permethrin and Diflubenzuron insecticides, as well as an insect growth regulator, for control of both biting and sucking lice on lactating and non-lactating dairy cattle, beef cattle and calves. Cattle treated with Clean-Up showed 99-100% louse reduction in 14 days, and had no lice from 4-8 weeks after treatment. Has no slaughter or milk withdrawal time. Apply 3 ml/100 lbs. body weight, up to a maximum of 30 ml (1 oz.). Pour uniformly down face and along back.