Cetyl Esters
INCI: synthetic spermaceti wax
Reviewed by Daisy · Last updated 18 Aug 2026
Also known as: synthetic spermaceti wax, Cetyl esters wax
Synthetic wax that replaces spermaceti (wax from sperm whales)
EWG Safety Score
What Is Cetyl Esters?
Cetyl esters is a synthetic wax that is a replacement for a wax that’s obtained from sperm whales. Works on skin as an emollient and texture enhancer, typically creating a thicker feel.
Clinical Evidence & References
Published Research
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Bioprocess and Biosystems Engineering, April 2016, pages 641-649 Bioprocess and Biosystems Engineering, 2016
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International Journal of Toxicology, September 2015, pages 5S-69S International Journal of Toxicology, 2015
From the Clinic
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Cetearyl Alcohol
Fatty alcohol with emollient (softening/smoothing) properties for skin Known to be gentle and safe (unlike skin-damaging/drying forms of alcohol such as SD or denatured)
Cetearyl Ethylhexanoate
Ester of cetearyl alcohol and 2-ethylhexanoic acid
Cetyl Alcohol
Fatty alcohol used as an emollient, emulsifier, and thickening agent Can be naturally or synthetically derived
Cetyl Palmitate
Ester of cetyl alcohol and palmitic acid
Chlorinated Paraffin
A synthetic oil that conditions and protects skin whilst controlling product texture
Citric Acid …
A synthetic polymer that binds formula ingredients together for stable, consistent products
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