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本文主要检测正常人体面部皮肤在清洗前后状态下的生理参数。通过两种生理参数的比较，发现经常使用化妆品的自愿者在额部、颧部、颊部等部位两种参数均有较显著差异（Ｐ＜０．０５），而不常使用者则无差异。提示只有清洗后的面部皮肤生理参数才对消费者科学地选择化妆品有指导意义；反之，清洗前状态下的生理参数可能会误导消费者
This paper mainly tests the physiological parameters of normal human facial skin before and after cleaning. Comparing the two physiological parameters, we found that there were significant differences in the two parameters (P <0.05) in the forehead, zygomatic, cheek and other parts of the volunteers who used cosmetics frequently, while those who did not use the cosmetics often had no difference . Suggesting that only the physiological parameters of the facial skin after cleansing are of guiding significance for the consumers to select the cosmetics scientifically. On the contrary, the physiological parameters in the pre-cleansing state may mislead the consumers