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Quick answer: Both score equally on our risk model. Formaldehyde (free) is banned in the EU and allowed in the US; Lilial is banned in the EU and allowed in the US.
| Property | Formaldehyde (free) | Lilial |
|---|---|---|
| EU status | Banned | Banned |
| US status | Allowed | Allowed |
| Risk level | high | high |
| Banned in | European Union | European Union |
| Restricted in | — | — |
| Category | cmr | cmr |
| Where it hides | nail hardener, keratin treatment, eyelash glue | perfume, lotion, shampoo |
Formaldehyde (free) is free formaldehyde used directly as a preservative and in salon hair treatments.
Lilial is a synthetic floral 'lily of the valley' fragrance ingredient.
Formaldehyde (free): A known human carcinogen (IARC Group 1). Banned from direct use in EU cosmetics; allowed in US products with limited oversight.
Lilial: Classified as a reproductive toxicant (CMR). Banned in EU cosmetics since 2022; still permitted in the US.
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