Is ARGININE PCA safe to use in EU cosmetics?

ARGININE PCA 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.

InventoryRef 7432015/10/2010

ARGININE PCA

Q: How do I check if my formula contains ARGININE PCA?

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.

5-oxo-L-proline, compound with L-arginine (1:1)

ARGININE PCA 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 ARGININE PCA

INCI name

ARGININE PCA

Description

5-oxo-L-proline, compound with L-arginine (1:1)

Annex records for ARGININE PCA

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Key data

CAS

56265-06-6 / 64855-91-0

260-081-5 / 265-253-3

Restriction

—

Function

HUMECTANT SKIN CONDITIONING

How ARGININE PCA appears in the CosIng inventory

The CosIng inventory lists ARGININE PCA 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.

ARGININE PCA is also tagged with 2 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

ARGININE PCA 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, ARGININE PCA carries the following function designation(s):

CAS 56265-06-6 / 64855-91-0 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 ARGININE PCA

This page reproduces the CosIng inventory entry for ARGININE PCA 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 ARGININE PCA 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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