일부 여대생의 비침습적 방법으로 측정한 안면피부의 생리적 특성 및 연관성 = A Study on Physiological Characteristics of Facial Skin Measured Using Non-invasive Method and Correlations in Some College Women

다국어 초록 (Multilingual Abstract)

A facial skin is always exposed to external environment and it is the best tool for people to display their image. In terms of facial management, cosmetics are selected depending on perceived symptoms. Therefore, it is important to accurately diagnose current skin conditions. Hence, this study measured moisture contents, sebum levels, pH, Transepidermal Water Loss (TEWL), elasticity, melanin and erythema by the facial part against college women in Gyeonggi-do and examined how these indicators are correlated to each other with a goal of suggesting basic data for skin care through precise analysis on the female students’ skin conditions. First, cheeks were mostly dry, and sebum was short in all parts. Melanin was found in the mandibular parts. In addition, erythema were mostly detected around the eyes. According to previous studies, both oily and combination skin types were most widely found in college women. In this study, however, a lack of sebum is found in all facial parts. In terms of TEWL and elasticity, it was hard to compare study results with previous studies due to differences in a research method. Second, according to investigation on the correlations of physiological indicators by the facial part, positive correlation was observed in all parts in sebum levels, TEWL, elasticity, melanin and erythema. In addition, correlations were high in sebum levels, TEWL and erythema. Third, according to a study on the correlations of the physiological indicators of the facial skin, as sebum levels were high, moisture contents and melanin levels were high as well. As TEWL increased, more erythema were found. In addition, as erythema increased, positive correlations with high pH were observed. As TEWL decreased, moisture contents, sebum levels and elasticity were high. As sebum levels decreased, negative correlations with high erythema were found. The positive correlations between TEWL and erythema were the highest. As moisture contents decreased with high water vaporization, erythema increased. In addition, pH levels rose, erythema increased. To reduce erythema, therefore, it is required to form a sebum layer to make the pH slightly acidic. This study had limitations for comparison because of a lack of references and different measurement methods. Therefore, it is needed to set the requirements in which skin conditions can be accurately analyzed using a non-invasive method. In addition, there should be a further study on the physiological indicators of the skin by age.

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