Ingredient Dictionary

HYDROGENATED STYRENE/BUTADIENE COPOLYMER

How much products actually contain

No product states its amount yet.

Of the products containing it, 8 list it before the 1% line and 1 after it (usually 1% or less).

Products using this ingredient

9 of 9 confirmed · likeliest to carry enough first

Definition

Ethenylbenzene, polymer with 1,3-butadiene, hydrogenated

Cosmetic roles

Leaves a thin film where appliedFILM FORMINGAdjusts thicknessVISCOSITY CONTROLLING

Safety & regulatory references

Not classified under Korea’s toxic-substance GHS list · existing chemical substance

Source: Korea toxic substances GHS register (NIER)

Other restriction: ban substances that deplete the ozone layer

Source: EU CosIng ingredient list

Reviewed by CIR: Final Report: Safety Assessment of Styrene and Vinyl-type Copolymers as Used in Cosmetics

Source: US Cosmetic Ingredient Review (CIR)

More data — names, identifiers, properties, test records, literature

Official labels & definitions

JCIA labelling name 水添（スチレン／ブタジエン）コポリマー: 本品は、スチレンと１，４－ブタジエンの共重合体に水素添加した高分子である。

Source: JCIA labelling names (Japan)

Names & identifiers

HYDROGENATED STYRENE/BUTADIENE COPOLYMERINCI하이드로제네이티드스타이렌/부타다이엔코폴리머Korean label name (MFDS standard)부틸렌/에틸렌/스타이렌코폴리머Korean label name (MFDS standard)Benzene, ethenyl-, polymer with 1,3-butadiene, hydrogenatedSynonym水添（スチレン／ブタジエン）コポリマーJapanese labelling name

CAS No.chemical registry number: 66070-58-4
DTXSIDUS EPA chemical ID: DTXSID80984571

What products actually use it for

What the 8 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.

Plasticizer2
Viscosity modifier2
Film former1
Thickening agent1
Fragrance1
No specific technical function1

Source: US EPA CompTox dashboard