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首页> 外文期刊>Biomedical Dermatology >Facial L*a*b* values and preferred base makeup products among native Korean women: a clinical study
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Facial L*a*b* values and preferred base makeup products among native Korean women: a clinical study

机译：韩国本地女性面部L * a * b *值和首选基础化妆品的临床研究

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Bare face L*a*b* values are needed to serve as a standard reference point for the development of base makeup products for Korean women. A total of 543 Korean women ranging in age from their 20s to 50s underwent spectrophotometer skin analysis under constant temperature (22 ± 2%) and humidity (50 ± 5%) conditions. Eight parts of each subject’s face (center of the forehead, right cheekbone, right cheek, under the chin, left cheek, left cheekbone, philtrum, and under the lips) were measured, and average values were calculated. Subjects were then asked to complete questionnaires regarding their use and preferences for base makeup products. Skin tone was classified into three categories (dark, normal, bright) based on L* values. Compared with the contrast value, the dark group L* was 60.66 and the normal group L* was 63.87 (with a difference of 3.21), and the bright group L* was 66.66 (with a difference of 2.79 from the normal group). According to the survey responses regarding preferences and use of base makeup products, the most common answer for all respondents regardless of age was that their skin tone was average or slightly darker than that of their peers. Preferred base makeup products usually were found to be of slightly brighter color than actual skin tone. As in previous studies, the most frequently used base makeup product regardless of age was BB cream. Given that the average L* standard deviation between groups was 3, a difference of one step in skin tone may be considered to be equivalent to this L* value difference. The survey results suggest that target colors for base makeup product development should be brighter than bare face tones.
机译：需要裸露的L * a * b *值作为开发韩国女性基础化妆品的标准参考点。在恒温（22±2％）和湿度（50±5％）的条件下，共有543名年龄在20至50岁之间的韩国女性接受了分光光度计皮肤分析。测量每个对象脸部的八个部分（前额中心，右ek骨，右颊，下巴，左颊，左che骨、,骨和嘴唇下），并计算平均值。然后要求受试者填写有关其对基础化妆品的使用和偏好的问卷。根据L *值，肤色分为三类（深色，正常，明亮）。与对比值相比，黑暗组L *为60.66，正常组L *为63.87（相差3.21），明亮组L *为66.66（与正常组相差2.79）。根据有关基础化妆品的偏爱和使用情况的调查反馈，所有年龄段受访者最普遍的回答是，他们的肤色中等或略深于同龄人。通常发现优选的基础化妆产品的颜色比实际肤色略亮。与以前的研究一样，无论年龄大小，最常用的基础彩妆产品都是BB霜。假设各组之间的平均L *标准差为3，则肤色的1步差异可认为等同于该L *值差异。调查结果表明，基础彩妆产品开发的目标颜色应比裸色更明亮。

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