Peg-12 Dimethicone
PEG-12 dimethicone is reviewed by CIR as safe in cosmetic applications. PEG materials can carry trace 1,4-dioxane impurities from manufacturing; reputable suppliers strip these.
What it is
A polyethylene glycol (PEG)-modified silicone polymer; a water-soluble silicone surfactant/emulsifier.
Cosmetic emulsifier, surfactant, and skin-conditioning agent; not a food ingredient.
Why it's flagged
- potential trace 1,4-dioxane (manufacturing impurity)
- not a food ingredient
What regulators actually say
"The CIR Expert Panel concluded that PEG/PPG dimethicones are safe in the present practices of use and concentration in cosmetics."
"1,4-Dioxane is a trace contaminant of some cosmetic ingredients that are processed using ethylene oxide; FDA has continued to monitor levels."
Regulatory status
United States — FDA
Not listed as a food additive; permitted in cosmetics under FDA cosmetic regulations.
European Union — EFSA
No EFSA food additive evaluation; permitted in cosmetics under EU Regulation 1223/2009.
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