Hydrogenated Styrene/Isoprene Copolymer
AKA “Hydrogenated Styrene/Isoprene Copolymer
Synthetic
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Ingredient Facts
Hydrogenated styrene/isoprene copolymer
Synthetic · Viscosity Controlling | Film Forming | Skin Conditioning - Emollient | Smoothing · EWG: 1
Synthetic
Emollient
Occlusive
Skin Conditioner
Synthetic
Clean
A synthetic texture enhancer that gives products a smooth, luxurious feel and ensures consistent application every time.
CAS #
68648-89-5
State
Solid
Synthetic
Botanical-Derived Synthetic. Native to Synthesized in a lab, not geographically specific. Derived from petroleum-based styrene and isoprene monomers, which are hydrocarbon compounds from crude oil. Produced through catalytic polymerization and hydrogenation of styrene and isoprene monomers to create the copolymer.
Function
Viscosity Controlling | Film Forming | Skin Conditioning - Emollient | Smoothing
Benefits
Film Former
Binder
Viscosity Controlling Agent
Opacifying Agent
Anti-Aging Benefits
Antioxidant Protection
Reduces Inflammation
Controls Viscosity
Traditional Use
A synthetic polymer developed in the late 20th century for use as a film-forming and conditioning agent in cosmetics and personal care products.
Skin Types
all-skin-types, gentle
Best For
Target
General
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
EWG Score1
CIR Safety Findings
ewg-1, medical-approval, pregnancy-nursing-safe, all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR