Lice n Simple Pour On 100mlEffective control of biting lice Werneckiella (Bovicola) equi on horses, with a single treatment. Contains the insect growth regulator triflumuron, which interferes with insect chitin synthesis and acts primarily against immature lice, causing death by rupturing the malformed cuticle and or by insect starvation. Active Constituents: Triflumuron 25 g L Dose Information: Dose horse at 1 mL 10 kg bodyweight. Do not underdose. Using the measuring cup