Is TELMESTEINE safe to use in EU cosmetics?

TELMESTEINE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Always verify against the current official CosIng database before formulating.

What other records share CAS 122946-43-4?

CAS 122946-43-4 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 3854115/10/2010

TELMESTEINE

Q: How do I check if my formula contains TELMESTEINE?

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.

3,4-Thiazolidinedicarboxylic acid, 3-ethyl ester, (R)-

TELMESTEINE 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 TELMESTEINE

INCI name

TELMESTEINE

Description

3,4-Thiazolidinedicarboxylic acid, 3-ethyl ester, (R)-

Annex records for TELMESTEINE

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Key data

CAS

122946-43-4

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Restriction

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Function

ANTIOXIDANT

How TELMESTEINE appears in the CosIng inventory

The CosIng inventory lists TELMESTEINE 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.

TELMESTEINE 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

TELMESTEINE 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, TELMESTEINE carries the following function designation(s):

ANTIOXIDANT

CAS 122946-43-4 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.

View CAS records

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 TELMESTEINE

This page reproduces the CosIng inventory entry for TELMESTEINE 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 TELMESTEINE 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

Check your formula

Scan a full INCI list to detect TELMESTEINE and any linked EU annex restrictions or allergen flags.

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Search similar ingredients

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