What it is
PEG-40 Hydrogenated Castor Oil is a light yellow liquid derived from castor oil.
What it does
PEG-40 Hydrogenated Castor Oil is used to help form emulsions.
It is also used to help other ingredients dissolve in a solvent in which they would’t normally dissolve.
PEG-40 Hydrogenated Castor Oil is generally considered to be safe.
(Sources: cosmeticsinfo.org and sciencedirect.com)
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