Caredermis

Hydroxyisohexyl 3-Cyclohexene Carboxaldehyde

Severity 8/10Editorial

fragrance · also known as lyral, hicc

Is Hydroxyisohexyl 3-Cyclohexene Carboxaldehyde safe?

Hydroxyisohexyl 3-Cyclohexene Carboxaldehyde is prohibited in cosmetic products in the EU (CosIng Annex II), with documented concerns: allergy risk.

In plain language

The fragrance 'Lyral', banned in the EU since 2021 after becoming one of the most frequent causes of fragrance allergy in Europe.

A Caredermis plain-language explanation to help you read the label — not a regulator statement. The sourced facts are the classifications and status shown on this page.

Documented concerns

Concerns marked Editorialare Caredermis' own dermatological review; the rest are drawn from official data — see the cited sources ↓

Allergy risk

Editorial8/10

So allergenic the EU banned it outright in 2021.

Official regulatory status

Pulled directly from official regulatory datasets and expert reviews — not our own judgement.

EU cosmetics: Prohibited

EU SCCS safety opinions

  • · Opinion on Hydroxyisohexyl 3-Cyclohexene Carboxaldehyde (Lyral)
  • · Opinion concerning Essential Oils
  • · Opinion concerning Fragrance Allergy in Consumers - A Review of the Problem - Analysis of the need for appropriate Consumer Information and Identification of Consumer Allergens
  • · Opinion concerning the Interim Position on Fragrance Allergy
  • · Memorandum on the SCCNFP Opinion concerning Fragrance Allergy
Read SCCS opinions ↗

Guidance by skin profile

Caredermis editorial guidance based on the concerns above — checked against the official records on every build, but not itself a regulator statement.

  • Sensitive skinBest avoided
  • Oily & acne-proneNo specific concern
  • Dry skinNo specific concern
  • PregnancyNo specific concern
  • Babies & kidsBest avoided
  • Eczema-proneBest avoided

Sources

Each authority below is shown only because our ingested copy of its data lists Hydroxyisohexyl 3-Cyclohexene Carboxaldehyde — not because we asserted it. Follow a link to verify the classification or regulation directly.

See our methodology for how these map to concern levels. Informational only — not medical advice.

Products in our library containing Hydroxyisohexyl 3-Cyclohexene Carboxaldehyde

Related ingredients

Ingredients with a similar role or shared type of concern — useful for comparing what's on your label.

Checking a specific product? Paste its full ingredient list and we'll analyze everything at once.