then rinsed under warm water to remove excess color 5 the subject then washed his hand with soap and warm water for 30 seconds and then rinsed and dried his hand with a towel 6 the remaining stains if any were then evaluated empirically on a scale of one to five both after the water rinse of step 4 and the soap wash of step 5 clearly the low molecular weight washability enhancer performed better than the comparative and control examples even with a relatively water soluble colorant the difference in stain removal is quite substantial the fabric stain test required the following steps to be performed 1 test fabrics of 100 cotton and 50 50 polyester cotton blend were conditioned by washing in hot water about 140 u00b0 f with the recommended amount of powdered tide u00ae brand detergent procter amp gamble and one cup of liquid chlorine bleach cold water was used in the rinse cycle the fabric was then re washed without drying on the hot cold cycle using 60 grams of calgon u00ae brand water softener and dried for between 35 and 40 minutes at 150 u00b0 f the test fabric was then cut into 8 inch by 8 inch test swatches 2 on each of two test swatches 1 square inch of cloth was saturated with the test marker sufficiently to discolor a piece of cardboard placed underneath during this coloring procedure 3 the stained fabric swatches were then allowed to air dry for about 4 hours.