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Answer: Yes — Hydroxyisohexyl 3-cyclohexene carboxaldehyde is banned in 1 country/region including European Union. The FDA still allows it in US cosmetics and personal-care products. Risk level: medium. Commonly found in: perfume, deodorant, lotion.
TL;DR: Hydroxyisohexyl 3-cyclohexene carboxaldehyde is banned in the EU but allowed in the US (fragrance allergens).
Reviewed for clarity & usefulness by the BannedPantry Parent Panel
INCI name Hydroxyisohexyl 3-Cyclohexene Carboxaldehyde. CAS 31906-04-4.
| EU status | Banned |
|---|---|
| US status | Allowed |
| Risk level | medium |
| Where it shows up | perfume, deodorant, lotion |
| CAS number | 31906-04-4 |
Hydroxyisohexyl 3-cyclohexene carboxaldehyde (Hydroxyisohexyl 3-Cyclohexene Carboxaldehyde) is a fragrance allergen (Lyral).
It is used for its preservative, coloring, fragrance, solvent or texture-enhancing function.
A strong fragrance allergen; banned in EU cosmetics since 2021.
For educational use only. This page summarizes the regulatory status of Hydroxyisohexyl 3-cyclohexene carboxaldehydewith citations to the primary sources below. It is not medical advice. Regulatory status is not the same as a proven health effect — read the cited sources for their exact wording, and consult a doctor for decisions about your or your family's health.
Choose EU-compliant or 'free-from' formulations and read the INCI list. BannedPantry flags this ingredient and suggests safer swaps.
Hydroxyisohexyl 3-cyclohexene carboxaldehyde is banned under the EU Cosmetics Regulation (1223/2009), but it is allowed in US personal-care products.
Yes — Hydroxyisohexyl 3-cyclohexene carboxaldehyde can still appear in US-sold cosmetics and personal-care products because US rules are far less restrictive than the EU's.
Read the INCI ingredient list on the back of the package. Scan the barcode with BannedPantry to flag Hydroxyisohexyl 3-cyclohexene carboxaldehyde automatically.
Yes. Look for EU-compliant or 'free-from' formulations; BannedPantry suggests safer swaps when it detects Hydroxyisohexyl 3-cyclohexene carboxaldehyde.
Scan any product's barcode and instantly see if it contains Hydroxyisohexyl 3-cyclohexene carboxaldehyde or other ingredients banned overseas.
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