W/O乳化剂是什么型态的乳化剂
Sorbitan sesquioleate : sorbitan fatty acid ester derived from a mix of mono- and di-esters oleic acid and hexitol anhydrides of sorbitol. https://journals.lww.com/dermatitis/Citation/2008/07000/Sorbitan_Sesquioleate.56.aspx
Molecular Formula C66H130O18. https://pubchem.ncbi.nlm.nih.gov/compound/6433515 Safe for fungal acne.