皮肤的秘密 · highlighted by user-1713768040

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[德]耶尔•阿德勒(YaelAdler) [德]卡提雅•史匹哲(KatjaSpitzer)绘

使用酸性（非碱性）的人工合成清洁剂，它的pH值为5.5，十分亲和皮肤，不同于传统的碱性清洁皂

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