全世界只有一个行业最赚钱就是和钱打交道的行业, 可是当你真正进入那个行业的时候, 又发现钱只是一个数字罢了. 你在身价百倍的同时你又负债累累...
回答于 2019-07-18 20:27
不写SLS,其实不代表没有现在用得较多的是surfactant 是 SLES,多了一个ether group. But in fact, there is approximately 30% SLS in 3-mole ether sulfate due to the traditional ethoxylation process.SLES got an improvement but it still does not provide an SLS-free product.all chemicals used in personal car...
回答于 2019-07-18 19:46
带子?scallop?是这种东西么? img="http://www.oceanexports.com.au/images/scallop-meatL.jpg
回答于 2019-07-18 19:14