Cetylpyridinium chloride is an organic compound with the chemical formula C5H4Cl2. It is a white, crystalline solid that is soluble in water and organic solvents. It is a cationic surfactant that is used in personal care products such as shampoos, facial cleansers, and hand soaps. It has been found to be toxic to aquatic organisms. Cetylpyridinium chloride is a chemical compound that is used in a wide variety of cosmetics and personal care products. It is an effective way to remove the bacteria that causes acne, and it is also effective in controlling dandruff.