Decyl Succinate
AKA “
Monodecyl succinate, Butanedioic acid, 1-decyl ester, Succinic acid, decyl ester, monodecyl ester, UNII-6TLW5F0549
”
Synthetic
🦆
❤️
👻
Ingredient Facts
Decyl succinate
AKA: Monodecyl succinate, Butanedioic acid, 1-decyl ester, Succinic acid, Decyl ester, Monodecyl ester, UNII-6TLW5F0549
Synthetic · Emollient · EWG: 4
WHAT IS IT?
Synthetic
Emollient
Skin Conditioner
Synthetic
Clean
A lightweight moisturizer that conditions skin and helps soften and smooth the complexion. Works gently to lock in hydration without feeling heavy.
Formula
C14H26O4
Mol. Weight
258.35
CAS #
2530-33-8
Form
Liquid
See origin →
WHAT'S IT DO?
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
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
IS IT SAFE?
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA
✔ permitted
EU
⚠ restricted
JAPAN
⚠ restricted
CANADA
⚠ restricted
Regulatory Agencies
EWG
CIR
FDA
EU COSING
Health Canada
WHAT'S THE PROOF?
1,4-Butanediol/Succinic Acid/Adipic Acid/HDI Copolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Coconut Oil Decyl Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Decyl Succinate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Olive Oil Decyl Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Succinic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Olive Oil Decyl Esters
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Succinic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR