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Sodium Dehydroacetate
AKA “Harven, DHA-sodium, Prevan, New Side S 01, Dehydroacetic acid, sodium salt, DHA-S, Sodium Dehydroacetic Acid, Sodium 3-acetyl-6-methyl-2, 4-pyrandione, DTXSID7026029, Kyselina dehydroacetova sodna sul”
Synthetic
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Ingredient Facts
Sodium dehydroacetate
AKA: Harven, DHA-sodium, Prevan, New Side S 01, Dehydroacetic acid, Sodium salt, DHA-S, Sodium Dehydroacetic Acid, Sodium 3-acetyl-6-methyl-2, 4-pyrandione, DTXSID7026029, Kyselina dehydroacetova sodna sul
Synthetic · Skin Conditioning · EWG: 2
Synthetic
Skin Conditioner
Synthetic
Clean
Sodium dehydroacetate is a white powder. Used as a fungicide, plasticizer, toothpaste, preservative in food.
Solubility Soluble (NTP, 1992)
Formula
C8H7NaO4
Mol. Weight
190.13
CAS #
4418-26-2
State
Sodium dehydroacetate is a white powder. Used as a fungicide, plasticizer, toothpaste, preservative in food.
See origin →
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Preserves Formula
Prevents microbial growth
Traditional Use
Insufficient information available; this does not appear to be a standard INCI or recognized cosmetic ingredient name.
Skin Types
●all-skin-types
Best For
General
EWG
2
CIR
Insufficient
Pregnancy
—
CIR Safety Findings
Not a Sensitizer
all-shades-safe
Concentration Guide
0.6%
0%1%
Reg. Limit
EU regulatory limit: 0.6%. Source: EU Cosmetics Regulation (EC) 1223/2009, Annex V (Preservatives), Entry 13.
Regulatory Status
USAunder review
CANADA✔ permitted
Regulatory Agencies
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Effects of Sodium Salts of Fatty Acids and Their Derivatives on Skin Permeation of Cromolyn Sodium.
Akinbote OE, Verana G, Dandekar AA, Tijani AO, Mishra D et al.
AAPS PharmSciTech, 2023
→
Effects of Sodium Salts of Fatty Acids and Their Derivatives on Skin Permeation of Cromolyn Sodium.
Akinbote OE, Verana G, Dandekar AA, Tijani AO, Mishra D et al.
AAPS PharmSciTech, 2023
→
Sodium Dehydroacetate and Dehydroacetic Acid.
Cherian P, Bergfeld WF, Belsito DV, Cohen DE, Klaassen CD et al.
International journal of toxicology, 2024
→
Sodium Dehydroacetate and Dehydroacetic Acid.
Cherian P, Bergfeld WF, Belsito DV, Cohen DE, Klaassen CD et al.
International journal of toxicology, 2024
→
Final Report on the Safety Assessment of Sodium Dehydroacetate and Dehydroacetic Acid
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
Sodium Dehydroacetate and Dehydroacetic Acid
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
dehydroacetic acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
dehydroacetic acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Sodium Dehydroacetate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
SODIUM SALT
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR