Is CITRULLINE safe to use in EU cosmetics?

CITRULLINE 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 372-75-8?

CAS 372-75-8 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 3286315/10/2010

CITRULLINE

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

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.

L-Ornithine, N(5)-(aminocarbonyl)-

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

INCI Checker Search similar

Inventory details for CITRULLINE

INCI name

CITRULLINE

Description

L-Ornithine, N(5)-(aminocarbonyl)-

Annex records for CITRULLINE

Browse

Browse EU annexes

Explore Annex II–VI to see which substances are prohibited, restricted or permitted under specific conditions.

Search annex entries

Search the annex database for entries matching CITRULLINE or related substances.

Key data

CAS

372-75-8

206-759-6

Restriction

—

Function

SKIN CONDITIONING

How CITRULLINE appears in the CosIng inventory

The CosIng inventory lists CITRULLINE 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.

CITRULLINE 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

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

SKIN CONDITIONING

CAS 372-75-8 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.

Open INCI Checker

Source note for CITRULLINE

This page reproduces the CosIng inventory entry for CITRULLINE 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 CITRULLINE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

View sources View updates

Tools & next steps

Check your formula

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

INCI Checker

Search similar ingredients

Find other inventory ingredients and annex entries related to CITRULLINE, its identifiers or nearby name variants.