| 摘要 |
A method for estimating the moisturizing effect of cosmetics by measuring the roughness of a stratum corneum is provided to understand the effect of cosmetics by observing the stratum corneum with a scanning electron microscopy and visualizing the roughness of the stratum corneum as images. A method for estimating the moisturizing effect of cosmetics by measuring the roughness of stratum corneum includes the steps of: before applying the cosmetics, collecting the stratum corneum, and observing the stratum corneum with a scanning electron microscopy, observing the ratio of horn cells generated on the stratum corneum from the observation result of the scanning electron microscopy, and expressing the roughness of the stratum corneum numerically; and after applying the cosmetics, collecting the stratum corneum and observing the stratum corneum with the scanning electron microscopy, observing the ratio of horn cells generated on the stratum corneum from the observation result of the scanning electron microscopy, and expressing the roughness of the stratum corneum numerically; and calculating the rate of increase and decrease of the roughness of the stratum corneum.
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