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Sodium Dehydroacetate
AKA “Harven, DHA-sodium, Prevan, New Side S 01, Dehydroacetic acid, sodium salt, DHA-S, Sodium Dehydroacetic Acid”
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
Synthetic · Preservative | Antimicrobial · EWG: 4
Plant-Derived
Preservative
Synthetic
Clean
Helps keep the product fresh and effective by preventing unwanted bacteria and mold growth.
Solubility Soluble (NTP, 1992)
Formula
C8H7NaO4
Mol. Weight
190.13
CAS #
4418-26-2
Plant-Derived
Synthetic. Derived from dehydroacetic acid, a synthetic organic compound belonging to the acetic acid derivative family. Synthesized through acetylation and subsequent sodium salt formation of dehydroacetic acid precursors.
Function
Preservative | Antimicrobial
Benefits
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
Target
General
Melanin-Rich Skin
Suitable
EWG Score4
CIR Safety Findings
all-shades-safe, Not a Sensitizer
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
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR