Fragrance avoidance
Nothing to weigh for this context yet.
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.
- beauty
- industrial
1,3-Butadiene, 2-methyl-, polymer with 2-methyl-1-propene
CAS 9010-85-9
Concern score
Not assessed — no hazard data yet.
1,3-Butadiene, 2-methyl-, polymer with 2-methyl-1-propene in plain language
On cosmetic ingredient lists it appears as “Isobutylene/isoprene copolymer”.
Also known as Isobutylene/isoprene copolymer · Butyl Rubber · isobutylene-isoprene polymer
Used in cosmetics as a thickener.
- Viscosity controlling
- Thickener
- Flavouring
- We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
Regulation
No restrictions found. 1,3-Butadiene, 2-methyl-, polymer with 2-methyl-1-propene appears in these published regulatory listings.
- Found in consumer products
- Beauty
- Industrial
EUCosIngActive1,3-Butadiene-, polymer with 2-methyl-1-propene
- 1,3-Butadiene-, polymer with 2-methyl-1-propeneSource →
USEPAcommercial use observedEPA CPDat observed this chemical in 105 composition records across product categories including Construction and building materials, Home maintenance, Personal care. EPA CPDat classifies this chemical for functional uses including Viscosity modifier, Sealant (barrier), Adhesion/cohesion promoter.
- EPA CPDat observed this chemical in 105 composition records across product categories including Construction and building materials, Home maintenance, Personal care. EPA CPDat classifies this chemical for functional uses including Viscosity modifier, Sealant (barrier), Adhesion/cohesion promoter.Source →
Expert safety opinions
No expert opinion on file for 1,3-Butadiene, 2-methyl-, polymer with 2-methyl-1-propene. 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 1,3-Butadiene, 2-methyl-, polymer with 2-methyl-1-propene yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
No signal in this context
Where it has been recorded
How often EPA CPDat has listed 1,3-Butadiene, 2-methyl-, polymer with 2-methyl-1-propene in a product composition. These are source records, not Greenveil catalog products.
Source records
105
Named organisations
6
Construction and building materialsHome maintenancePersonal careMedical/dentalVehicleRaw materials
Typical roles
Viscosity controllingThickenerFlavouring