Selection of Disinfectants for Use in the Pharmaceutical ...- agents used in pharmaceutical sanitizers ,Selection of Disinfectants for Use in the Pharmaceutical Industry : By Tim Sandle, Ph.D., Head of Microbiology, Bio Products Laboratory ... factor is the hand rubbing technique for the sanitizers are most effective through the act of agitation by rubbing the hand sanitizer into the hands (12). ... such as an oxidizing agent, the routine use of ...Common Gelling Agents - University of North Carolina at ...Gelling agents are used concentrations of 0.5% to 10%, depending on the agent. It is easier to add the active drug before the gel is formed if the drug doesn't interfere with the gel formation. Only Carbopol® 934P, methylcellulose, hydroxypropyl methylcellulose, and sodium carboxymethyl cellulose are recommended for oral administration.