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The purpose of this study is to produce an effective sample model for evaluation in the selection process of cosmetics puffs. Hardness and cell size were adopted as physical-properties data which replaces sensuous data. We made the evaluationmodel using real samples in a matrix using two properties on vertical and horizontal axis. In order to examine the interval of the physical-properties value of the puff used for each sample, sensory evaluation of the differential limen to the hardness of puff was carried out. In order to set up the median of a model sample, actual cosmetics products in the market were investigated and average value was deduced. Effect evaluation was performed for the usefulness of the model sample by two methods. One method is from the viewpoint of usagein business practice. Another method is from a viewpoint of discernment for evaluating feeling. From a viewpoint of discernment, it was tested to find whether it was possible to determine sensory evaluation of human touch numerically when the sample model was used. From a viewpoint in the use on business, the subject was examined to determine whether they can choose a suitable puff by using the conventional selection method or by simply choosing using a model sample. In this study, the differential limen of the hardness of a puff was found. In the judgment of roughness by visual inspection, it was found that a person could determine a more exact numeric value when the subject used the model sample. The sample model was also useful in the selection process of the puff in practical business.

DEVELOPMENT OF EVALUATION SAMPLE MODEL FOR COSMETIC PUFF IN CONSIDERATION OF SENSE WIDTH