It is considered that the surface structure of human skin changes with age, affecting the appearance of skin. However, the effect of skin structure on its appearance has not yet been clarified. In this study, we measured the geometric structure of the skin of eight women in the age group of 21 to 45 years using the latest confocal scanning laser microscope, and clarified the change in skin structure with age. In addition, based on the geometric data of the skin structure, we numerically investigated the optical characteristics of the skin surface by using a numerical model developed by us. Numerical results reveal that the optical characteristics of skin surface do not depend on the age-induced change in the skin structure very much.

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