混用不同品牌的护肤品对皮肤会不会有害? 要回答这个问题,需要从护肤产品的分类及配方组成讲起。 简单地讲,护肤化妆品按其用途不同分为清洁、护理、营养三大类。清洁类产品的作用是除去皮肤表面的污垢,产品有洗面奶、清洁霜、洁肤水、面膜、磨砂膏等产品;护理类产品的主要作用是滋润、保护 Mix different brands of skin care products on the skin will not be harmful? To answer this question, the need for skin care products from the classification and composition of speaking. Simply put, skin care cosmetics according to their different uses divided into cleaning, nursing, nutrition three categories. The function of the cleaning products is to remove the dirt on the surface of the skin. The products include facial cleanser, cleansing cream, cleansing water, mask, scrub and other products. The main function of the nursing products is to moisten and protect