Hydrogenated Butadiene/Isoprene/Styrene Copolymer

Hydrogenated Butadiene/Isoprene/Styrene Copolymer molecular structure
molecular structure · PubChem
AKA: Hydrogenated Polymer
Synthetic
Occlusive
Not Clean
OriginDerived from petroleum-based hydrocarbons (butadiene, isoprene, and styrene monomers) in the synthetic polymer family. Produced through catalytic polymerization of these monomers, followed by hydrogenation to increase stability and flexibility.
Benzene, ethenyl-, polymer with 1,3-butadiene and 2-methyl-1,3-butadiene, hydrogenated, block
CAS #
132778-07-5
Form
Liquid
State
Solid
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
Anti-Aging Benefits
Antioxidant Protection
Reduces Inflammation
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
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2014
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR