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Tween 80
POE (20) Sorbitan Monooleate, Polysorbate 80, Polyoxyethylene sorbitan monooleate
Molecular Weight: 1310 HLB:15.7 Cas No:9005-65-6
Hydrophilic Emulsifier; Solubilizing Agent; Denaturing agent
[1] 張麗卿,『優質保養品選擇策略』,聯經出版社,2003/07/10。
2019-01-11

Why is it not safe?

L
2019-02-19

Not safe for fungal acne

604.822g/mol

C64H124O26
1310 g/mol

Polysorbate 80 is derived from polyethoxylated sorbitan and oleic acid.
The hydrophilic groups in this compound are polyethers also known as polyoxyethylene groups, which are polymers of ethylene oxide.
In the nomenclature of polysorbates, the numeric designation following polysorbate refers to the lipophilic group, in this case, the oleic acid.

聚山梨酯80衍生自聚乙氧基化的脫水山梨糖醇和油酸。
該化合物中的親水基團是聚醚,也稱為聚氧乙烯基,是環氧乙烷的聚合物。
在聚山梨酸酯的命名中,聚山梨酸酯後面的數字標記是指親脂基團,在這種情況下,是油酸

https://en.wikipedia.org/wiki/Polysorbate_80

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