What does the restriction note for BUTYL THIOGLYCOLATE mean?

The restriction field for BUTYL THIOGLYCOLATE reads: III/2b. This is the restriction note from the CosIng inventory. For authoritative conditions and limits, always refer to the linked annex entries.

What other records share CAS 10047-28-6?

CAS 10047-28-6 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

InventoryRef 3171915/10/2010

BUTYL THIOGLYCOLATE

Q: How do I check if my formula contains BUTYL THIOGLYCOLATE?

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.

Butyl mercaptoacetate

BUTYL THIOGLYCOLATE is linked to 1 EU annex record on this page. Inventory note: III/2b.

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Inventory details for BUTYL THIOGLYCOLATE

INCI name

BUTYL THIOGLYCOLATE

Description

Butyl mercaptoacetate

Annex records for BUTYL THIOGLYCOLATE

Annex III Restriction reference

Entry 2b

Thioglycolic acid esters

Key data

CAS

10047-28-6

233-156-5

Restriction

III/2b

Function

HAIR WAVING OR STRAIGHTENING

How BUTYL THIOGLYCOLATE appears in the CosIng inventory

The CosIng inventory lists BUTYL THIOGLYCOLATE as a cosmetic ingredient and this page links it to 1 annex record. The inventory entry captures names and identifiers, while the annex record shows where the substance is prohibited, restricted or positively listed in EU cosmetics law.

BUTYL THIOGLYCOLATE is also tagged with 1 cosmetic function 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

BUTYL THIOGLYCOLATE appears in the EU CosIng inventory and has linked annex records. Check the annex records above for applicable restrictions, concentration limits and conditions of use. Annex II listing means prohibited; Annex III means restricted; Annexes IV, V and VI mean permitted under specified conditions.

The restriction field for BUTYL THIOGLYCOLATE reads: "III/2b". This is the restriction note recorded in the CosIng inventory for this ingredient. For authoritative conditions and limits, always refer to the linked annex entries above.

According to the EU CosIng inventory, BUTYL THIOGLYCOLATE carries the following function designation(s):

HAIR WAVING OR STRAIGHTENING

CAS 10047-28-6 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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Use the INCI Checker tool to paste your full ingredient list and scan it against all EU annex records and allergen flags in one step.

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Source note for BUTYL THIOGLYCOLATE

This page combines the CosIng inventory entry for BUTYL THIOGLYCOLATE with 1 linked Annex II–VI record from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research BUTYL THIOGLYCOLATE 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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Scan a full INCI list to detect BUTYL THIOGLYCOLATE and any linked EU annex restrictions or allergen flags.

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