HDI/Di-C12-14 Alkyl Tartrate/Hydrogenated Dilinoleyl Alcohol Copolymer
molecular structure · PubChem
AKA: HDI polymer, Aliphatic polyisocyanate copolymer
Synthetic
Occlusive
Not Clean
OriginDerived from hydrogenated dilinoleyl alcohol and tartaric acid ester starting materials of synthetic origin. Synthesized through polymerization and esterification reactions to create a film-forming copolymer structure.
Fatty acids, C18 unsatd., dimers, di-Me esters, hydrogenated, polymers with C12-14-branched and linear alkyl tartarate and 1,6-diisocyanatohexane
CAS #
1268856-56-9
Form
Liquid
State
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Creates Protective Barrier
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Skin Irritant
1 study / 1 not irritating (CIR 704)
Concentration Guide
Leave-on0.026–7.6%
Rinse-offNot reported
0%50%100%
CIR reported use · 2015 survey
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR
murphy