A liquid cationic starch for wet- end application, specially developed as retention and drainage aid as well as a dry strenght additive for the paper industry. This ready- for- use cationic starch solution is easily diluted with water and can be used in a wide rage of wet- end chemical processes commonly found in the tissue industry today. Application: Prior to adding to the paper machine system. dilute CSL at ~1 part CSL to 10 parts waters/ Entrance to the stuff box/ Point of addition as retention or drainage additive: before or after the pressure screen