Octyldodecyl Stearoyl Stearate

Octyldodecyl Stearoyl Stearate 1
molecular structure · PubChem CID 174782
AKA: 90052-75-8, JEECHEM OSS, PELEMOL ODSS, CORUM 5047, Octadecanoic acid, 2-octyldodecyl ester
Synthetic
Emulsifier
Skin Conditioner
Synthetic
Clean
OriginSynthesized from stearic acid and fatty alcohols (octyldodecanol), belonging to the ester chemical family. Produced through esterification, combining stearic acid with octyldodecanol under catalytic conditions.
The Expert Panel for Cosmetic Ingredient Safety concluded that Octyldodecyl Stearoyl Stearate is safe in cosmetics in the present practices of use and concentration described in this safety assessment when formulated to be non-irritating.
Formula
C56H110O4
Mol. Weight
847.50
CAS #
90052-75-8
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Softens & Smooths
Controls Viscosity
Smooths and softens skin
Controls product thickness
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory0 listings
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Insufficient
Pregnancy
—
CIR Safety Findings
Not a Sensitizer
3 studies / 3 not sensitizing (CIR 292)
Mixed Eye Irritation Results
6 studies / 3 irritating / 3 not irritating / reactions minimal to moderate (CIR 292 and 386)
Mixed Skin Irritation Results
9 studies / 4 irritating / 5 not irritating / reactions minimal to moderate (CIR 292 and 386)
Dermal Absorption 0.005%
human epidermis from 4 female donors / in vitro Franz-type diffusion cell at 32 C / [14C]Octyldodecyl Stearoyl Stearate 10% in safflower oil vehicle / 48 h (CIR 386)
Regulatory Status
USAunder review
CANADA✔ permitted
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR