Compoatlas

ZINC CYSTEINATE

Official label name (INCI name, EU glossary of cosmetic ingredient names), No 30301

ZINC CYSTEINATE: Cited as an example in a rule, no rule of its own (Annex III, entry 24), under Regulation (EC) No 1223/2009.

In plain words

What it is used for

Functions declared by manufacturers:

Antimicrobial: helps control the growth of micro-organisms on the skin.

What the rules say

This name is only cited as an example in an entry of Annex III, which covers a family of substances: the exact conditions depend on the form used.

The text of the annexes

Allowed with restrictions

CosIng cites the name ZINC CYSTEINATE in this entry, whose regulated name is “Zinc Acetate; Zinc Chloride; Zinc Gluconate; Zinc Glutamate; Zinc Citrate; Zinc Sulphate”: the title below says which form or use it covers.

Entry
Annex III, No 24
Substance
Water-soluble zinc salts with the exception of zinc 4- hydroxy-benzene sulphonate (entry 25 of Annex III)
Glossary names
Zinc Acetate; Zinc Chloride; Zinc Gluconate; Zinc Glutamate; Zinc Citrate; Zinc Sulphate
CAS
557-34-6/ 5970-45-6; 7646-85-7; 4468-02-4; 1949-15-1; 546-46-3; 7733-02-0/ 7446-19-7/ 7446-20-0
EC
209-170-2/ -; 231-592-0; 224-736-9; -; 208-901-2; 231-793-3
Product type
(a) Toothpaste intended for users above 1 year of age (b) Toothpaste intended for children between 6 months and 1 year of age (c) Mouthwash intended for users above 6 years of age (d) Other products
Maximum concentration
(a) 1 % (as zinc) (b) 0,72 % (as zinc) (c) 0,1 % (as zinc) (d) 1 % (as zinc)
Dates in the act (4)
  • Entry into force on 18 May 2026
  • Placing on the market from 1 January 2027
    From 1 January 2027 cosmetic products containing these substances and not complying with the restrictions shall not be placed on the Union market
  • Making available from 1 July 2028
    From 1 July 2028 cosmetic products containing these substances and not complying with the restrictions shall not be made available on the Union market
  • Making available from 1 August 2028
    From 1 August 2028 cosmetic products containing these substances and not complying with the restrictions shall not be made available on the Union market

Excerpts from the English text published in the Official Journal. A date may concern only some substances of the act: the excerpt says so.

Identity

CosIng identifier
60275
Declared functions
Antimicrobial

CosIng cites no CAS number for this name.

Elsewhere in the world

Information on other jurisdictions. What is covered, and what is not yet.

United Kingdom (Great Britain)

  • Cited as an example in a rule, no rule of its own (Annex III)

Same entries as in the European Union. Conditions (concentrations, warnings) may differ: they are not compared here.

Switzerland

Regulation (EC) No 1223/2009 applies in Switzerland (Article 54 of the Ordinance on Foodstuffs and Utility Articles).

United States, federal rules

None of the integrated sections of the federal code (21 CFR 700.11 to 700.27 and 250.250) targets this name. The FDA does not publish a list of allowed ingredients.

Glossary: Commission Implementing Decision (EU) 2025/1175. Page updated on 21 October 2026.