# PYRITHIONE ZINC

URL: https://app.greenveil.ai/ingredients/ingredient_cas_13463_41_7
Categories: beauty, cleaning, food, industrial, pharma
Functions: Anti-dandruff, Biocide, Degradant/impurity, Pharmaceutical, Preservative, Processing aids not otherwise specified, Softener and conditioner, additive non reactive
Identifier: 13463-41-7

> PYRITHIONE ZINC is used as anti-dandruff / biocide. Greenveil chemical-concern score: 100/100 — Critical concern based on regulatory listings.. Assessed from 8 sources.

## Safety assessment

- Chemical concern score: 100/100 — Critical concern based on regulatory listings.
- Confidence: 4
- Rationale: Pyrithione zinc; (T-4)- bis[1-(hydroxy-.kappa.O)pyridine-2(1H)- thionato-.kappa.S]zinc is prohibited in cosmetic products under Annex II of the EU Cosmetics Regulation (EC) 1223/2009.

## Regulatory status

- EU: banned — Annex II of EU Cosmetics Regulation (EC) 1223/2009: substances prohibited in cosmetic products.
- US: commercial use observed — EPA CPDat observed this chemical in 367 composition records across product categories including Construction and building materials, Furniture and furnishings, Cleaning and safety. EPA CPDat classifies this chemical for functional uses including Preservative, Softener and conditioner, Anti-dandruff.
- US: marketed drug occurrence — FDA NDC lists this ingredient in 309 active drug products and 322 total products.
- US: marketed drug occurrence — FDA NDC lists this ingredient in 10 active drug products and 10 total products.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

_Assessed by Greenveil._