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Quick answer: Zinc pyrithione carries the heavier risk profile. Zinc pyrithione is banned in the EU and allowed in the US; Retinyl palmitate is restricted in the EU and allowed in the US.
| Property | Zinc pyrithione | Retinyl palmitate |
|---|---|---|
| EU status | Banned | Restricted |
| US status | Allowed | Allowed |
| Risk level | medium | medium |
| Banned in | European Union | — |
| Restricted in | — | European Union |
| Category | cmr | endocrine disruptor |
| Where it hides | anti-dandruff shampoo, anti-acne products | anti-aging cream, sunscreen, lotion |
Zinc pyrithione is an antifungal and antibacterial active in dandruff shampoos.
Retinyl palmitate is a vitamin A ester used in anti-aging skincare and sunscreen.
Zinc pyrithione: Reclassified as a reproductive toxicant in the EU and banned as a cosmetic preservative in 2022; still a key US OTC dandruff active.
Retinyl palmitate: The EU caps vitamin A levels over concerns it may accelerate skin damage in sunlight; the US does not restrict it.
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