Heat the water to 75 C. With stirring add the "Duponol" and "Evanol." Continue stirring at 75 C until the "Duponol" and "Evanol" are melted and dispersed. Remove the heat and continue stirring to room temperature. Add the calcium hydroxide and perfume. Finally, add the calcium thioglycolate powder to the cream. Continue stirring until uniform. Assay for thioglycolic acid content of 2.7%. Package.