WHAT IS IT: Lauryl pyridinium Chloride is found in bactericides and fungicides (preservatives). It usually comes in a semi solid form in a brown or tannish color.
WHAT’S IT FOR: It’s used at a wetting agent and a cationic detergent.
FOUND IN: Creme Of Nature Strength & Shine Leave-in Conditioner
Sources:
http://www.lookchem.com/Dictionary/Lauryl_Pyridinium_Chloride/