Polyethylene Glycol (PEG) Soy Sterol, or PEG Soya Sterol ingredients, are produced from distilled soybean oil.
PEG Soy Sterol ingredients are manufactured by reacting soybean oil sterols with a specific number of units of ethylene oxide.
The number in the ingredient name corresponds to the average PEG chain length.

聚乙二醇(PEG)大豆甾醇或PEG大豆甾醇成分由蒸餾大豆油製得。
PEG大豆甾醇成分是通過使大豆油甾醇與特定數量的環氧乙烷反應制得的。
成分名稱中的數字對應於平均PEG鍊長。

https://cosmeticsinfo.org/ingredient/peg-10-soy-sterol