Dodecanedioic Acid
AKA “12-Dodecanedioic acid, 10-Decanedicarboxylic acid, Decamethylenedicarboxylic acid, 10-Dicarboxydecane, NSC-400242
Synthetic
Ingredient Facts
Dodecanedioic acid
AKA: 12-Dodecanedioic acid, 10-Decanedicarboxylic acid, Decamethylenedicarboxylic acid, 10-Dicarboxydecane, NSC-400242
Synthetic · Emollient · EWG: 4
Synthetic
Emollient
Skin Conditioner
Synthetic
Clean
A fatty acid that helps soften and smooth skin while improving moisture retention, leaving it feeling supple and conditioned.
Solubility SOL IN HOT TOLUENE, ALC, HOT ACETIC ACID; SLIGHTLY SOL IN HOT WATER
Formula
C12H22O4
Mol. Weight
230.30
CAS #
693-23-2
Form
Liquid
State
Dry Powder; Other Solid
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.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Locks in moisture
Traditional Use
Developed as a synthetic dicarboxylic acid for cosmetic formulation. Used in modern skincare as a buffering and pH-adjusting agent, with no significant traditional use history.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR