相别，注意事项。

Steareth-20 is a synthetic polymer composed of PEG (polyethylene glycol) and stearyl alcohol. Due to the presence of PEG, this ingredient may contain potentially toxic manufacturing impurities such as 1,4-dioxane. https://www.ewg.org/skindeep/ingredient/724158/STEARETH-20/#.WzLBiRZlCEc

Molecular Formula: C20H42O2 https://www.upichem.com/products/steareth-20-2b

Steareth-20 is a synthetic polymer composed of PEG (polyethylene glycol) and stearyl alcohol. Due to the presence of PEG, this ingredient may contain potentially toxic manufacturing impurities such as 1,4-dioxane. https://www.ewg.org/skindeep/ingredient/724158/STEARETH-20/#.WzLBiRZlCEc

314.554g/mol

MF: C20H42O2 MW: 314.5g/mol

https://pubchem.ncbi.nlm.nih.gov/compound/75050