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Zinc pyrithione

Banned in European Union and United Kingdom; its status in Nigeria is not confirmed.

Why it matters

Classified in the EU as toxic to reproduction (CMR), which led to bans on its use in cosmetics.

What to look for on the label

Zinc pyrithione, pyrithione zinc (common in anti-dandruff shampoos).

Country by country

Around the worldBanned in European Union and United Kingdom; its status in Nigeria is not confirmed.

Why: Classified in the EU as toxic to reproduction (CMR), which led to bans on its use in cosmetics.

How Zinc pyrithione is treated in Nigeria and other markets
PlaceStatus
Nigerianot confirmed
European UnionbannedAnnex II/1670 (Reg 2021/1902) from 1 Mar 2022; Annex III/101 and V/8 deleted.
United KingdombannedAnnex II/1669 from 15 Oct 2022 (SI 2022/659); Annex III/V entries removed.
United Statesno specific ruleAs an OTC anti-dandruff drug: 0.3-2% rinse-off, 0.1-0.25% leave-on (21 CFR 358.710).
Canadanot confirmed
JapanrestrictedMax 0.1% rinse-off; 0.01% leave-on and on mucosa.

More about Zinc pyrithione

Sources: EU Reg 2021/1902 (Publications Office) · UK SI 2022/659 · eCFR 21 CFR 358.710 · MHLW Standards for Cosmetics (English). Checked 2026-10-19; rules change, so check the regulator before relying on it.

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