EU cosmetic ingredients, restrictions and safety

Annex II Entry 1726 04/06/2024

Copper (nano) [INCI] Colloidal Copper (nano) [INCI]

Copper (nano) [INCI] Colloidal Copper (nano) [INCI] is listed in Annex II as a prohibited substance for cosmetic products placed on the EU market.

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Prohibited substance— Annex II, EU Regulation 1223/2009

Entry: 1726

Record details

Chemical name

Copper (nano) [INCI] Colloidal Copper (nano) [INCI]

Regulatory information

Regulation

(EU) 2024/858

SCCS opinions

OPINION ON Copper (nano) and Colloidal Copper (nano)

Key data

CAS

EC

Annex

Entry number

1726

Inventory links for Copper (nano) [INCI] Colloidal Copper (nano) [INCI]

Inventory Shared CAS number

Ref 32826

CI 77400

CAS: 7440-50-8

EC: 231-159-6

Direct matches are limited for this record, so nearby entries from Annex II are shown as well.

Annex IV 132

Shared CAS number

CI 77400

CAS: 7440-50-8

EC: 231-159-6

Annex II 1725

Nearby record in the same annex

Styrene/Acrylates copolymer (nano) [INCI] Sodium Styrene/Acrylates copolymer (nano) [INCI]

CAS: 9010-92-8

EC: 927-710-1

Annex II 1727

Nearby record in the same annex

Silver (nano) [1 nm < particle diameter ≤ 100 nm] Silver (massive) [particle diameter ≥ 1 mm]

CAS: 7440-22-4

EC: 231-131-3

Annex II 1724

Nearby record in the same annex

Bentazone (ISO); 3-isopropyl-2,1,3-benzothiadiazine-4-one-2,2-dioxide

CAS: 25057-89-0

EC: 246-585-8

Annex II 1728

Nearby record in the same annex

Gold (nano) [INCI], Colloidal Gold (nano) [INCI] [1] Gold Thioethylamino Hyaluronic Acid (nano) [IN…

CAS: 7440-57-5 [1] / 1360157-34-1 [2]/ - [3]

EC: 231-165-9 [1]/ - [2]/ - [3]

Annex II 1723

Nearby record in the same annex

Pendimethalin (ISO); N-(1-ethylpropyl)-2,6-dinitro-3,4-xylidene

CAS: 40487-42-1

EC: 254-938-2

Annex II 1729

Nearby record in the same annex

Platinum (nano) [INCI], Colloidal Platinum (nano) [INCI] [1] Acetyl tetrapeptide-17 Colloidal Plati…

CAS: 7440-06-4 [1]/ - [2]

EC: 231-116-1 [1]/ - [2]

Annex II 1722

Nearby record in the same annex

Acetamiprid (ISO); (1E)-N-[(6-chloropyridin-3-yl)methyl]-N'-cyano-N-methylethanimidamide; (E)-N1-[(…

CAS: 135410-20-7/ 160430-64-8

EC: 603-921-1/ 682-791-8

Annex II 1730

Nearby record in the same annex

3-(4'-methylbenzylidene)-camphor; [INCI: 4-Methylbenzylidene Camphor]

CAS: 36861-47-9/38102-62-4

EC: 253-242-6/-

Annex II 1721

Nearby record in the same annex

Pentasodium (carboxylatomethyl)iminobis(ethylenenitrilo)tetraacetate; Pentasodium Pentetate (INCI)

CAS: 140-01-2

EC: 205-391-3

Annex II 1731

Nearby record in the same annex

diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide; INCI: Trimethylbenzoyl Diphenylphosphine Oxide

CAS: 75980-60-8

EC: 278-355-8

Annex II 1720

Nearby record in the same annex

N-carboxymethyliminobis(ethylenenitrilo)tetra(acetic acid); Pentetic Acid (INCI)

CAS: 67-43-6

EC: 200-652-8

What Annex II means for Copper (nano) [INCI] Colloidal Copper (nano) [INCI]

Copper (nano) [INCI] Colloidal Copper (nano) [INCI] is listed as a prohibited substance under Annex II of EU Cosmetics Regulation 1223/2009. No concentration limit applies — the presence of this substance in any cosmetic product placed on the EU market is not permitted regardless of use level.

Formulators must screen their ingredients and raw materials to ensure none contain this substance. Suppliers should provide documentation confirming absence when requested.

This record is linked to 1 CosIng inventory ingredient for name and identifier cross-reference. The page also surfaces 12 related annex records with overlapping identifiers, annex logic or naming patterns.

Compliance checklist

Verify this substance is absent from all raw materials and finished formulations.
Request absence confirmation or CoA from raw material suppliers.
Document the screening result in the Product Information File (PIF).

Frequently asked questions

Yes. Copper (nano) [INCI] Colloidal Copper (nano) [INCI] is listed in Annex II of EU Cosmetics Regulation 1223/2009 as a prohibited substance. It must not be present in any cosmetic product placed on the EU market at any concentration.

CAS 7440-50-8 is the unique numerical identifier assigned to Copper (nano) [INCI] Colloidal Copper (nano) [INCI] by the Chemical Abstracts Service. In cosmetic compliance work, the CAS number is used to cross-reference the substance across regulatory databases, raw material specifications and safety assessment reports. Multiple EU annex entries may share the same CAS number if the same substance appears under different conditions or in different annexes.

Use the INCI Checker tool on this site to paste your full ingredient list (INCI) and scan it against all Annex II–VI entries. The tool highlights any ingredients that match restricted, prohibited or allergen-flagged records. This is useful for rapid compliance screening of finished product formulas or raw material declarations.

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Source note for Annex II record Copper (nano) [INCI] Colloidal Copper (nano) [INCI]

This page summarizes one Annex II record for Copper (nano) [INCI] Colloidal Copper (nano) [INCI] from public European Commission cosmetic materials and adds linked inventory or identifier matches when available.

Use this record page to review Annex II conditions for Copper (nano) [INCI] Colloidal Copper (nano) [INCI], but confirm any final regulatory decision against the current official annex wording and source files.

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