Propylene Glycol Dicaprylate/Dicaprate
Reviewed by Rosie · Last updated 18 Aug 2026
Also known as: Propylene Glycol
Gel-textured ingredient used in many lightweight moisturisers | Mix of propylene glycol and capric acid, a plant-derived fatty acid
Addresses
EWG Safety Score
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What Is Propylene Glycol Dicaprylate/Dicaprate?
Propylene glycol dicaprylate/dicaprate is a gel-textured ingredient used in many lightweight moisturizers. It’s a mix of propylene glycol and capric acid, a fatty acid derived from plants.
Clinical Evidence & References
Published Research
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https://www.cir-safety.org/sites/default/files/PGEste_092014_Tent_for%20posting.pdf [URL]
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Journal of Pharmaceutical Sciences, August 2008, pages 3,467-3,482 [https://doi.org/10.1002/jps.21227]
From the Clinic
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Propylene Glycol Dicaprylate
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Propylene Glycol Diethylhexanoate
Emollient ingredient used to soften and smooth skin | Functions as a solvent and texture enhancer in cosmetic formulas
Propylheptyl Caprylate
Clear oily liquid that is primarily used as an emollient | Delivers a soft, moisturising feel to skin
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