... , hardening agents, thickeners and so on. It is used for the manufacture of cosmetics,promoting the absorption of mycophenolate sallow ... , but also for drug controlled release. AppearanceFree flowing powder, whiteViscosity(0.5%W ... liquid. 3.when carbomer disperse completely,put C in with continuously stir . 4.put A&C in mixture of B. 5.put D ...