What does the restriction note for THIOUREA mean?

The restriction field for THIOUREA reads: II/321. 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 62-56-6?

CAS 62-56-6 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 8807918/11/2016

THIOUREA

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

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.

THIOUREA is linked to 1 EU annex record on this page. Inventory note: II/321.

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Inventory details for THIOUREA

INCI name

THIOUREA

Annex records for THIOUREA

Annex II Restriction reference

Entry 321

Thiourea and its derivatives, with the exception of the one listed in Annex III

CAS: 62-56-6

EC: 200-543-5

Key data

CAS

62-56-6

200-543-5

Restriction

II/321

Function

ANTIMICROBIAL HUMECTANT

How THIOUREA appears in the CosIng inventory

The CosIng inventory lists THIOUREA 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.

THIOUREA 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

THIOUREA 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 THIOUREA reads: "II/321". 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, THIOUREA carries the following function designation(s):

CAS 62-56-6 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.

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 THIOUREA

This page combines the CosIng inventory entry for THIOUREA 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 THIOUREA 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 THIOUREA and any linked EU annex restrictions or allergen flags.

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Search similar ingredients

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