Sodium Dehydroacetate
molecular structure · PubChem
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, Kyselina dehydroacetova sodna sul
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.
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.
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 Agencies
Skin Types
●all-skin-types
Best For
General
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory0 listings
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
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Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR