Sodium Dehydroacetate
Reviewed by Daisy · Last updated 18 Aug 2026
Also known as: Dehydroacetic Acid (related)
Used as a preservative to prevent formulary spoilage | An organic salt
At a glance
Addresses
EWG Safety Score
What Is Sodium Dehydroacetate?
Sodium dehydroacetate is an organic salt used in low amounts as a preservative to prevent formulary spoilage.
Clinical Evidence & References
Published Research
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CosmeticsInfo.org, Accessed March 2021 [https://www.cosmeticsinfo.org/ingredient/sodium-dehydroacetate/]
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ePublication Cosmetic Ingredient Review, December 2014 [https://www.cir-safety.org/sites/default/files/Sodium%20Dehydroacetate.pdf]
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ePublication Journal of the American College of Toxicology, 1985, pages 123-159 [https://journals.sagepub.com/doi/10.3109/10915818509078671]
How widely it's used
Regulatory information
Standardised cosmetic-ingredient identifiers used by regulators.
Show identifiers
- INCI Name
- SODIUM DEHYDROACETATE
- INN Name
- sodium dehydroacetate
- EC Number
- 224-580-1
- Function
- Preservative
From the Clinic
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A silver compound with purifying properties, primarily researched for skin-comforting applications
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A naturally derived purifying that helps preserve formulations and support skin clarity
Sodium Benzoate
Salt of benzoic acid, which is found naturally in foods like cranberries | Used as a preservative in both cosmetics and food products
Sodium Formate
A salt-based preservative and pH buffer used in skincare formulations
Sodium Hydroxymethylglycinate
A mild preservative that helps prevent microbial growth in skincare formulations
Sodium Iodide
An inorganic salt with established purifying properties for use in skincare formulations
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