ZINC PYRITHIONE
Pyridine-2-thiol-1-oxide, zinc complex (2:1)
ZINC PYRITHIONE is linked to 1 EU annex record on this page. Inventory note: Annex V/8 Annex III/101.
Regulatory evidence by market
This matrix separates verified ingredient rules from sources that are mapped but not yet imported. No imported rule does not mean the ingredient is permitted.
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| Market | Evidence status | Records | Source language |
|---|---|---|---|
| European Union | Evidence linked Prohibited entry found Open this evidence | 1 | English and EU languages |
| Great Britain | Evidence linked Prohibited Open this evidence | 1 | English |
| Canada | Source mapped Official source mapped; ingredient rule not imported | 0 | English and French |
| New Zealand | Evidence linked Restricted + Permitted list with conditions Open this evidence | 2 | English |
| ASEAN | Evidence linked Restricted + Permitted list with conditions Open this evidence | 2 | English and national languages |
| China | Source mapped Official source mapped; ingredient rule not imported | 0 | Chinese with selected English material |
| Japan | Evidence linked Restricted Open this evidence | 1 | Japanese; official English translation available |
| South Korea | Evidence linked Restricted Open this evidence | 1 | Korean with some English names |
| United States | Source mapped Official source mapped; ingredient rule not imported | 0 | English |
| Australia | Source mapped Official source mapped; ingredient rule not imported | 0 | English |
| Brazil | Source mapped Official source mapped; ingredient rule not imported | 0 | Portuguese with INCI crosswalks |
| India | Evidence linked Restricted Open this evidence | 1 | English and Hindi |
| Saudi Arabia | Evidence linked Prohibited Open this evidence | 1 | Arabic and English |
Chemical identity and properties
Pyrithione Zinc
Zinc pyrithione is a fine beige granules. (NTP, 1992) — CAMEO Chemicals
- IUPAC name
- zinc bis(1-oxidopyridin-1-ium-2-thiolate)
- Molecular formula
- C10H8N2O2S2Zn
- Molecular weight
- 317.7 g/mol
- Exact mass
- 315.931862 Da
- Topological polar surface area
- 52.9 Ų
- Hydrogen-bond donors
- 0
- Hydrogen-bond acceptors
- 4
- Covalent units
- 3
- Defined stereocentres
- 0
Also known as
16 more reported names
External database identifiers
Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.
Inventory details for ZINC PYRITHIONE
INCI name
ZINC PYRITHIONE
INN name
pyrithione zinc
Description
Pyridine-2-thiol-1-oxide, zinc complex (2:1)
Record provenance
- Inventory reference
- 38974
- Imported identity
- ZINC PYRITHIONE
- Source update
- 28/07/2020
Annex records for ZINC PYRITHIONE
Pyrithione zinc; (T-4)- bis[1-(hydroxy-.kappa.O)pyridine-2(1H)- thionato-.kappa.S]zinc
Key data
- ANTI-SEBORRHEIC
- Preventing or relieving the symptoms of seborrhea and/or seborrheic dermatitis, including dandruff.
- ANTI-SEBUM
- Helping control sebum production.
- HAIR CONDITIONING
- Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.
- PRESERVATIVE
- Exclusively or mainly intended to inhibit the development of micro-organisms in the cosmetic product. All authorised preservatives are substances in the positive list of Annex V to the Cosmetics Regulation 1223/2009.
Official EU ingredient-name evidence
The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.
The markets do not agree about this substance: it is prohibited in some and permitted under conditions in others, across the 8 markets that hold a rule for it.
- prohibited
- European UnionGreat BritainSaudi Arabia
- restricted
- New ZealandASEANJapanSouth KoreaIndia
New Zealand holds more than one rule for this substance, so its position there depends on the use. ASEAN holds more than one rule for this substance, so its position there depends on the use.
Related inventory evidence
Ingredients with overlapping formulation functions
Additional official and scientific sources
11 external databases to check this identity in
Each link searches that source for this identity. What each source is, and its legal weight
How ZINC PYRITHIONE appears in the CosIng inventory
The CosIng inventory lists ZINC PYRITHIONE 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.
ZINC PYRITHIONE is also tagged with 4 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
Source note for ZINC PYRITHIONE
This page combines the CosIng inventory entry for ZINC PYRITHIONE 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 ZINC PYRITHIONE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.
Tools & next steps
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