A Study on the Seasonal and Topographic Variations of the Skin Color of Young Women

Lee, Sung Nack; Park, Yoon Sung; Lee, Hae Eul; Cho, Chung Koo

Abstract

Sixty-five volunteers whose skin had never been tanned intentionally participated in this experiment. The skin colors of extensor and flexor of forearm, fore-head, and cheek were measured with Color and Color Difference Meter(Nippon Denshoku Kogyo Co. CP6R 1001-DP) which represents .kin color as 'L, a, and b in values. The L, a', and b values mean the degree of ligntness, redness, and yellowness respectively. Measurement has been performed seven times repeatedly in a year at regular intervals. From the study, the following results were obtained. ]'lexor skin of forearm showed the highest lightness in a year compared to the other regions. All of the regions examined showed the highest lightness in spring compared to the other seasons. 3. Cheek skin showed the highest redness among the four checked regions in a year. 4, All of the checked regions showed the higher redness in summer than in spring. and autumn. 5 All of the checked regions showed the lowest yellowness in May.