undefined 1
undefined 2
Dicapryl Adipate
AKA “Didecyl adipate, Didecyl hexanedioate, 105-97-5, Adipic acid didecyl ester, Di-n-Decyl adipate, Hexanedioic acid, didecyl ester, Adipic acid, 6I1ML2QMT3, NSC 4445”
Emollient
Ingredient Facts
Dicapryl adipate
AKA: Didecyl adipate, Didecyl hexanedioate, 105-97-5, Adipic acid didecyl ester, Di-n-Decyl adipate, Hexanedioic acid, Didecyl ester, Adipic acid, 6I1ML2QMT3, NSC 4445
Emollient · Emollient · EWG: 4
Synthetic
Emollient
Occlusive
Skin Conditioner
Not Clean
Didecyl adipate
Formula
C26H50O4
Mol. Weight
426.70
CAS #
105-97-5
Form
Powder
See origin →
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Plasticiser
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
Synthetic ester created in the mid-20th century as a lightweight emollient for skincare and color cosmetics. Designed to mimic the feel of natural plant-derived esters while offering improved stability.
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
Final Report on the Safety Assessment of Adipic Acid Dihydrazide
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
1,4-Butanediol/Succinic Acid/Adipic Acid/HDI Copolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Adipic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Adipic Acid/CHDM/MA/Neopentyl Glycol/Trimellitic Anhydride Copolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Adipic Acid/Neopentyl Glycol/Trimellitic Anhydride Copolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dicapryl Adipate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Trimethylpentanediol/Adipic Acid/Glycerin Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Adipic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Adipic Acid/Neopentyl Glycol/Trimellitic Anhydride Copolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Trimethylpentanediol/Adipic Acid/Glycerin Crosspolymer
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Toxicity of adipic acid.
Kennedy GL Jr
Drug and chemical toxicology, 2002
→
Allergic Contact Dermatitis to Trimethylpentanediol/Adipic Acid/Glycerin Crosspolymer in a Lip Balm.
Lockmann A, Schill T, Schubert S, Buhl T
Contact dermatitis, 2026
→
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR