Hydrogenated Styrene/Isoprene Copolymer
AKA “Hydrogenated Styrene/Isoprene Copolymer”
Ingredient
Ingredient Facts
Hydrogenated styrene/isoprene copolymer
Ingredient · Viscosity Controlling · EWG: 1
Synthetic
Clean
Benzene, ethenyl-, polymer with 2-methyl-1,3-butadiene, hydrogenated
CAS #
68648-89-5
State
Solid
See origin →
Functions
Viscosity Controlling
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
General
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
Restricted By
CIR Safety Findings
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR