Proline Cat measures 2.5ml is a flea exterminator even larve and eggs Cats. Proline is known as a drip medicine that can work well and Potent eradicating cat lice. Please be advised that, before proline use, It is best for cats to be bathed 2 days before use. Instructions for Use: Split cat feather on the neck's nape into 2 pieces until skin is visible Drop on cat skin (npe section) as well as drop proline little by little Slightly on 1-8 places (drop area can be lowered backwards aligned tails Cats, but do not exceed half the cat's body limit, where cats do not Can lick the dripped area Proline). Additional Info: If the fleas on cats are so many, reuse can be done 2 weeks Then For other questions and more info please chat us up. Items price includes shipping fee that should be borne by the buyer.