Lyral (HICC)
- Fragrances
- CAS 31906-04-4
Lyral (HICC) (CAS 31906-04-4) appears in 2 of the 1,812 car-care products CarCareTruth tracks (as of June 2026).
Documented skin sensitizer (H317) — banned in EU cosmetics since 2021. Causes allergic contact dermatitis in sensitized individuals at low concentrations. US car-care use continues; presence on an ingredient label warrants caution for those with fragrance allergies.
Lyral (hydroxyisohexyl-3-cyclohexene carboxaldehyde, HICC) is a synthetic floral-muguet fragrance compound. It was banned in EU cosmetics in 2021 over sensitization risk — its presence in a US-market air freshener is a red flag for users prone to fragrance allergies.
Health & environment profile
- VOC
- no
- Prop 65 listed
- no
- Asthmagen
- no
- EPA Safer Choice
- no
- Aquatic toxicity
- yes
- Biodegradable
- no
- Bioaccumulative
- yes
- Persistent
- yes
- Ozone depleting
- no
- Microplastic
- no
- PFAS
- no
- Env. score
- 2/5
Common questions about Lyral (HICC)
- What is Lyral (HICC) used for in car care?
- Synthetic floral-muguet fragrance ingredient; used in air fresheners and scented car-care products until phaseout in EU cosmetics for sensitization risk
- Is Lyral (HICC) a VOC?
- No. Lyral (HICC) is not classified as a volatile organic compound (VOC).
- Is Lyral (HICC) on California's Proposition 65 list?
- No. Lyral (HICC) is not on California's Proposition 65 list.
2 products contain this
Armor All FRESHfx Rapid Odor Eliminator New Car (3-Count)odor-eliminator
Related
Health and environment notes translate the manufacturer Safety Data Sheet, the GHS classification, and authoritative regulatory listings (California Prop 65, EPA). Not medical advice. They describe the ingredient itself; whether a hazard applies to a finished product depends on its concentration and how it's used.