| 摘要 |
The present invention relates to a quantification method of a cleansing effect of a sunscreen cleansing composition which comprises: a step of applying the sunscreen to an inspection site having predetermined area; a step of measuring ultraviolet rays absorbing area of the inspection site by obtaining an image of the inspection site after irradiating the ultraviolet rays using an imaging device, and analyzing the image with a computer based image analyzing software; a step of cleaning the inspection site with a cleansing composition; a step of measuring the ultraviolet rays absorbing area of the inspection site by obtaining the image of the inspection site after irradiating the ultraviolet rays using the imaging device, and analyzing the image with the computer based image analyzing software; and a step of comparing the measured ultraviolet rays absorbing areas before and after cleaning with the cleansing composition. The present invention can effectively be used to evaluate, analyze, and develop the cleansing product by quantitatively measure the cleansing effect of the cleansing product for sunscreens which is colorless and poorly water-soluble. |
