Hydroxypropyl Methylcellulose is a nonionic water-soluble cellulosic polymers which provides thickening in a wide range of applications. Viscosity 60,000 – 90,000cP in 2% solution. Effectively thickens the water phase of shampoos, conditioners, topical gels and other kinds of emulsions. Often used as foam enhancer and anti-caking agent. Has good foam enhancement properties in cleansing applications.