Hydrogenated Styrene/Butadiene Copolymer
AKA “Synthetic Polymer
Synthetic
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Ingredient Facts
Hydrogenated styrene/butadiene copolymer
AKA: Synthetic Polymer
Synthetic · Film Forming | Viscosity Controlling | Skin Conditioning - Emollient | Smoothing · EWG: 4
Plant-Derived
Emollient
Occlusive
Skin Conditioner
Synthetic
Clean
Creates a smooth, lightweight texture that glides effortlessly on skin while maintaining the perfect consistency.
CAS #
66070-58-4
Form
Liquid
Plant-Derived
Synthetic. Synthesized from styrene and butadiene monomers, which are petroleum-derived hydrocarbons belonging to the synthetic polymer family. Produced through catalytic hydrogenation of the styrene/butadiene copolymer backbone to increase stability and film-forming properties.
Function
Film Forming | Viscosity Controlling | Skin Conditioning - Emollient | Smoothing
Benefits
Creates Protective Barrier
Controls Viscosity
Anti-Aging Benefits
Antioxidant Protection
Reduces Inflammation
Creates protective layer
Controls product thickness
Traditional Use
This is a synthetic polymer developed in the mid-20th century as part of modern polymer chemistry. It is used in cosmetics as a film-former and texture modifier, with no historical or traditional use.
Skin Types
all-skin-types
Best For
Target
General
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
EWG Score4
CIR Safety Findings
medical-approval, all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR