Ingredients like ammonium lauryl sulfate and ammonium laureth sulfate tend to be easier on sensitive scalps than sodium lauryl sulfate.
像十二烷基硫酸铵和十二酯硫酸铵这样的成分比十二烷基硫酸钠更容易被敏感头皮接受。
2
The change of sodium ferric EDTA and carbonyl iron was not great, but most of ferric sulfate and ferric ammonium citrate became insoluble during storage.