I would like to know the chemical formula of the flavoring agent. Sugar Fix , Flora Fix , Last Fix I don't know which one is used in natural soap formula. 100% can I use it with Essential Oil Thank you very much[/quote ] All 3 types of flavor fixing agents, none of them come from 100% natural Sugar Fix is close to nature, which is the processing of sugar, does not contain Glycol or Phthalat. Any type of es is an element.Staff - MySkinRecipes