What function does HYDROGENATED POLYISOBUTENE serve in cosmetics?

According to the EU CosIng inventory, HYDROGENATED POLYISOBUTENE carries the following function designation(s): SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, VISCOSITY CONTROLLING.

InventoryRef 7664315/10/2010

HYDROGENATED POLYISOBUTENE

Q: How do I check if my formula contains HYDROGENATED POLYISOBUTENE?

Use the INCI Checker tool on CosIng Checker to paste your full ingredient list and scan it against all EU annex records and allergen flags in one step.

Propene, 2-methyl-, homopolymer

HYDROGENATED POLYISOBUTENE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Inventory details for HYDROGENATED POLYISOBUTENE

INCI name

HYDROGENATED POLYISOBUTENE

Description

Propene, 2-methyl-, homopolymer

Annex records for HYDROGENATED POLYISOBUTENE

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Key data

CAS

40921-86-6 / 61693-08-1

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Restriction

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Function

SKIN CONDITIONING SKIN CONDITIONING - EMOLLIENT VISCOSITY CONTROLLING

How HYDROGENATED POLYISOBUTENE appears in the CosIng inventory

The CosIng inventory lists HYDROGENATED POLYISOBUTENE as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

HYDROGENATED POLYISOBUTENE is also tagged with 3 cosmetic functions in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

HYDROGENATED POLYISOBUTENE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, HYDROGENATED POLYISOBUTENE carries the following function designation(s):

CAS 40921-86-6 / 61693-08-1 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

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Source note for HYDROGENATED POLYISOBUTENE

This page reproduces the CosIng inventory entry for HYDROGENATED POLYISOBUTENE from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research HYDROGENATED POLYISOBUTENE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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Tools & next steps

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