Polyurethane-16
molecular structure · PubChem
AKA: PU-16
Synthetic
Occlusive
Not Clean
Crosslinked condensation polymer of 2 moles hexamethylene diisocyanate with 1 mole polycaprolactonetriol
CAS #
-
Form
Powder
Functions
Anticaking
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Prevents Clumping
Creates Protective Barrier
Creates protective layer
Traditional Use
Synthetic polymer developed for cosmetic use to provide flexible, durable film-forming properties. Designed to improve the performance and longevity of cosmetic coatings.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: CosIng · EWG · CIR