Polydecene
molecular structure · PubChem
AKA: Decene polymer
Synthetic
Skin Conditioner
Clean
Homopolymer of decene
CAS #
37309-58-3, 25189-70-2
Form
Oil
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
A synthetic hydrocarbon polymer created in the mid-20th century. Used in cosmetics as an emollient and texture modifier to provide slip and spreadability in creams, oils, and makeup formulations.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR