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Dierucic Acid
AKA “Erucic acid dimer, Pripol 1004, UNII-5ZOM04K2NR, 13-Docosenoic acid, (Z)-, dimer, 5ZOM04K2NR, (13Z)-, RefChem:133347, DIERUCIC ACID [INCI], 63541-50-4”
Acid
Ingredient Facts
Dierucic acid
AKA: Erucic acid dimer, Pripol 1004, UNII-5ZOM04K2NR, 13-Docosenoic acid, (Z)-, Dimer, 5ZOM04K2NR, (13Z)-, RefChem:133347, DIERUCIC ACID [INCI], 63541-50-4
Acid · Skin Conditioning · EWG: 4
Synthetic
Skin Conditioner
Acid
Not Clean
13-Docosenoic acid, (Z)-, dimer
Formula
C44H84O4
Mol. Weight
677.10
CAS #
63541-50-4
Form
Liquid
State
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.
Locks in moisture
Traditional Use
Fatty acid derived from erucic acid found in certain plant oils, historically used in traditional medicine for skin conditioning. Adapted for modern cosmetics as a stable, long-chain fatty acid emollient.
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
Amended Safety Assessment of Dialkyl Dimer Dilinoleates as Used in Cosmetics.
Cherian PA, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2023
→
Amended Safety Assessment of Dialkyl Dimer Dilinoleates as Used in Cosmetics.
Cherian PA, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2023
→
Amended Safety Assessment of Dialkyl Dimer Dilinoleates as Used in Cosmetics.
Cherian PA, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2023
→
Amended Safety Assessment of Dialkyl Dimer Dilinoleates as Used in Cosmetics.
Cherian PA, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2023
→
Amended Safety Assessment of Dialkyl Dimer Dilinoleates as Used in Cosmetics.
Cherian PA, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2023
→
Amended Safety Assessment of Dialkyl Dimer Dilinoleates as Used in Cosmetics.
Cherian PA, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2023
→
Amended Safety Assessment of Dialkyl Dimer Dilinoleates as Used in Cosmetics.
Cherian PA, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2023
→
Amended Safety Assessment of Dialkyl Dimer Dilinoleates as Used in Cosmetics.
Cherian PA, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2023
→
Amended Safety Assessment of Dialkyl Dimer Dilinoleates as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
Final Report on the Amended Safety Assessment of Diisopropyl Dimer Dilinoleate, Dicetearyl Dimer Dilinoleate, Diisostearyl Dimer Dilinoleate, Dioctyl Dimer Dilinoleate, Dioctyldodecyl Dimer Dilinoleat
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
Tentative Report: Safety Assessment of Dimer Dilinoleates as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
Bis-Behenyl/Phytosteryl Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Bis-Isostearyl 1,4-Butanediol/HDI/Hydrogenated Dimer Dilinoleyl Alcohol Copolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Di-C16-18 Alkyl Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Di-C20-40 Alkyl Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dicetearyl Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dierucic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Diethylhexyl Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Diisopropyl Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Diisostearyl Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dimer Dilinoleyl Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Dioctyldodecyl Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Ditridecyl Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hydrogenated Dimer Dilinoleth-20
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hydrogenated Dimer Dilinoleth-30
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hydrogenated Dimer Dilinoleth-40
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hydrogenated Dimer Dilinoleth-60
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hydrogenated Dimer Dilinoleth-80
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Octyldodecyl/PPG-3 Myristyl Ether Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Dimethicone Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-8 Dimethicone/Dimer Dilinoleic Acid Copolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Phytosteryl Isostearyl Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Phytosteryl/Isostearyl/Cetyl/Stearyl/Behenyl Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Sorbeth-2/Oleate/Dimer Dilinoleate Crosspolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Stearyl/PPG-3 Myristyl Ether Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Triisostearoyl Polyglyceryl-3 Dimer Dilinoleate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Bis Behenyl/Isostearyl/Phytosteryl Dimer Dilinoleyl Dimer Dilinoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Bis-Behenyl/Phytosteryl Dimer Dilinoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Di-C20-40 Alkyl Dimer Dilinoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Diisopropyl Dimer Dilinoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Diisostearoyl Polyglyceryl 3 Dimer Dilinoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Diisostearyl Dimer Dilinoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Dimer Dilinoleyl Dimer Dilinoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Dioctyldodecyl Dimer Dilinoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Phytosteryl Isostearyl Dimer Dilinoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Phytosteryl/Isostearyl/Cetyl/Stearyl/Behenyl Dimer Dilinoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Stearyl/PPG-3 Myristyl Ether Dimer Dilinoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Triisostearoyl Polyglyceryl-3 Dimer Dilinoleate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Final report on the amended safety assessment of diisopropyl dimer dilinoleate, dicetearyl dimer dilinoleate, diisostearyl dimer dilinoleate, dioctyl
Fiume MZ, Cosmetic Ingredients Review Expert Panel
International journal of toxicology, 2003
→
Final report on the amended safety assessment of diisopropyl dimer dilinoleate, dicetearyl dimer dilinoleate, diisostearyl dimer dilinoleate, dioctyl
Fiume MZ, Cosmetic Ingredients Review Expert Panel
International journal of toxicology, 2003
→
Antitumor efficacy of poly(dimer acid-dodecanedioic acid) copolymer in mice bearing Sarcoma-180 tumor.
Guo WX, Shi Z, Zeng FB, Liang K, Chen XH et al.
Journal of materials science. Materials in medicine, 2007
→
[(Z)-broparestrol].
Rodier PN, Ceolin R, Dubois P, Fournival JL
Acta crystallographica. Section C, Crystal structure communications, 1989
→
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR