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Decyl Succinate
AKA “Monodecyl succinate, Butanedioic acid, 1-decyl ester, Succinic acid, decyl ester, monodecyl ester, UNII-6TLW5F0549, 6TLW5F0549, 54482-22-3, RefChem:131381, DECYL SUCCINATE [INCI]”
Emollient
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Ingredient Facts
Decyl succinate
AKA: Monodecyl succinate, Butanedioic acid, 1-decyl ester, Succinic acid, Decyl ester, Monodecyl ester, UNII-6TLW5F0549, 6TLW5F0549, 54482-22-3, RefChem:131381, DECYL SUCCINATE [INCI]
Emollient · Emollient · EWG: 4
Synthetic
Emollient
Skin Conditioner
Not Clean
Decyl hydrogen succinate
Formula
C14H26O4
Mol. Weight
258.35
CAS #
2530-33-8
Form
Liquid
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
A modern synthetic ester developed in cosmetic chemistry as a skin-conditioning and emollient agent with no historical traditional use.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR