beauty

Hydrogenated styrene/methylstyrene/indene copolymer

Concern score

Not assessed — no hazard data yet.

Hydrogenated styrene/methylstyrene/indene copolymer in plain language

What it does: Used in cosmetics as a film former and a thickener.
Film forming
Viscosity controlling
Is it a concern?: We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

What we know about this ingredient

Canonical ingredient record built from 1 public-source records.

Regulation

No restrictions found. Hydrogenated styrene/methylstyrene/indene copolymer appears in these published regulatory listings.

EUCosIngActive1H-Indene, polymer with ethenylbenzene and (1-methylethenyl)benzene, hydrogenated
- 1H-Indene, polymer with ethenylbenzene and (1-methylethenyl)benzene, hydrogenatedSource →

Expert safety opinions

No expert opinion on file for Hydrogenated styrene/methylstyrene/indene copolymer. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

SCCS
EU Scientific Committee on Consumer Safety
No SCCS opinion on file.
CIR
Cosmetic Ingredient Review (US expert panel)
No CIR safety assessment on file.

Evidence & sources

No graded research studies for Hydrogenated styrene/methylstyrene/indene copolymer yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

1 data source

Where this comes from

CosIng
regulatory · updated 2026-09-23
Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Catalog

Found in these products

Cosmetic and personal-care products that list Hydrogenated styrene/methylstyrene/indene copolymer are shown first. Their ingredient lists include Hydrogenated styrene/methylstyrene/indene copolymer; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 14 →Find products without it →