Hydroxypropyl Methylcellulose (HPMC)

Attention: HPMC and Sepimax Zen can both thicken 70% isopropyl alcohol at 3%.  CAS No. 9004-65-3 Hydroxypropyl Methylcellulose (HPMC) is multifunctional as a lubricant, foam enhancer and stabilizer, thickener, emulsion stabilizer and film former for hair and skin care products. HPMC is especially useful in surfactant systems for its foam enhancing properties, helping with the formation of bubble structure, leading to richer, longer lasting lather. HPMC has a high tolerance for both salt and alcohol. Techniques for Dispersion  The preferred method is to begin by heating approximately 1/3 of the total formulation water to 167°F (75°C) or higher. Add the HPMC to the vortex of agitated and heated water. Mix until fully dispersed. HMPC will not dissolve at this temperature. After complete dispersion, add the remaining water at room temperature or colder and continue mixing for 30 minutes after the total solution has cooled to 77°F. (25°C) or less. Proceed with the formulation.  If heating