of chemical components include those listed in the ctfa international cosmetic ingredient dictionary cosmetics toiletry and fragrance association inc 7 th ed 1997 using the types and amounts of ingredients listed in the examples the products are prepared at ambient temperature approximately 20 25 degrees c by adding the dmdm hydantoin to the water in a vessel equipped with center turbine agitation the acrylate copolymer is then added to the water phase and mixed the sodium laureth sulfate is added to the mixture and then neutralized with sodium hydroxide to a ph range of 6 5 7 5 at 25 u00b0 c cocamidopropyl betaine is then added and mixed the other ingredients are added in order and mixed until uniform the citric acid is added to adjust the ph to approximately 6 4 7 2 the sodium chloride is added to adjust the viscosity to approximately 4300 centipoise cps wherein the formulation viscosity is in the range of 2500 5500 cps as measured by a brookfield dv ii viscometer using spindle 5 at 20 rpm at 25 u00b0 c rheology of cleansing liquids is key to a consumer 39 s perception of consistency and dispensing consumers perform flow experiments when they use the product how a product flows in a bottle and is dispensed how the product is pumped and dispensed and how the product is spread out in use to generate lather are all examples of a shear force being applied a series of rheological measurements including strain sweep and creep.