Hydrogenated Polyisobutene
INCI: Polyisobutene
Also known as: Polyisobutene
Synthetic emollient that provides moisture retention
EWG Safety Score
What Is Hydrogenated Polyisobutene?
Hydrogenated polyisobutene is a synthetic emollient with research backing its ability to provide long-lasting moisture retention. It acts as a lubricant on skin’s surface, providing a soft, smooth feel. It is available as a slightly viscous liquid or thick gel.\n\nIn some formulas, hydrogenated polyisobutene is used as a substitute for mineral oil or silicones because of its similar action to help maintain skin’s moisture barrier and improve the feel of skin care products. It is a popular material for use in lip treatments because of its feel and emolliency on lips.\n\nThe independent Cosmetic Ingredient Review Board found hydrogenated polyisobutene is safe and did not specify a limit on its use. It is used in concentrations as high as 80% in some cosmetic and skin care formulations.
Benefits for Your Skin
Clinical Evidence & References
Published Research
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CosmeticsInfo.org, Accessed March 2021, ePublication CosmeticsInfo.org, 2021
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Safety Assessment of Polyene Group as Used in Cosmetics, International Journal of Toxicology, September 2020, pages 59S-90S Safety Assessment of Polyene Group as Used in Cosmetics, 2020
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Skin moisturization by hydrogenated polyisobutene—Quantitative and visual evaluation, International Journal of Cosmetic Science, February 2010, pages 81-82 Skin moisturization by hydrogenated polyisobutene—Quantitative and visual evaluation, 2010
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