Perfluorononyl Dimethicone
Reviewed by Emma · Last updated 18 Aug 2026
Also known as: siloxanes and silicones, dimethyl, 3-(nonadecafluorononyl)propyl methyl
Synthetic polymer and fluorinated siloxane | Functions as a skin conditioning agent
Addresses
EWG Safety Score
What Is Perfluorononyl Dimethicone?
Perfluorononyl Dimethicone is a cosmetic ingredient. It is grouped in the Exfoliants category on this site.
There is limited independent published research on its topical use, so this entry describes what the ingredient is rather than making specific performance claims.
Clinical Evidence & References
Published Research
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Risk assessment of fluorinated substances in cosmetic products. Survey of chemical substances in consumer products No. 169, October 2018 [https://www2.mst.dk/Udgiv/publications/2018/10/978-87-93710-94-8.pdf]
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The Total Mass of Per- and Polyfluoroalkyl Substances (PFASs) in California Cosmetics, Environ. Sci. Technol. 2024, 58, 16, 6807–6817 [https://pubs.acs.org/doi/abs/10.1021/acs.est.3c06539]
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