PEG-12 Dimethicone
Reviewed by Rosie · Last updated 18 Aug 2026
Blend of skin-protective dimethicone + a lightweight polyethylene glycol | Functions as a hair/skin-conditioning agent
Addresses
EWG Safety Score
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What Is PEG-12 Dimethicone?
PEG-12 dimethicone is a silicone blend of skin-protective dimethicone and a lightweight polyethylene glycol. It functions as a hair/skin-conditioning agent. It can also help improve the overall texture and finish of skin care formulas.\n\nIn its raw material form, PEG-12 dimethicone comes as a clear liquid that ranges from colorless to yellow in appearance.\n\nIn a 2015 report, the Cosmetic Ingredient Review Expert Panel deemed PEG-12 dimethicone as safe in cosmetic use. Their report looked at 538 products using PEG-12 dimethicone up to a maximum concentration of 6.5%.
Clinical Evidence & References
Published Research
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Toxicological Research, June 2015, pages 105–136 [URL_MISSING]
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Journal of Nanoscience and Nanotechnology, January 2015, pages 817–826 [URL_MISSING]
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The Cosmetic Ingredient Review, January 2015, pages 1-46 [URL_MISSING]
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https://online.personalcarecouncil.org/ctfa-static/online/lists/cir-pdfs/FR664.pdf [https://online.personalcarecouncil.org/ctfa-static/online/lists/cir-pdfs/FR664.pdf]
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International Journal of Cosmetic Science, June 2007, pages 211–218 [URL_MISSING]
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