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2,6,6-TRIMETHYL-2-CYCLOHEXENE-1-CARBALDEHYDE.

Optional CAS 432-24-6 / PERFUMING

A cyclic monoterpene aldehyde primarily employed as a fragrance component, delivering characteristic citrus and herbal notes to cosmetic formulations. While naturally present in botanical extracts like saffron and certain algae, its clinical skincare applications remain limited compared to its established role in perfumery.

perfuming

Science

Functions primarily as a sensory enhancer through olfactory interaction. Within botanical extract contexts, contributes to free radical scavenging activity through its aldehyde functional group, though isolated therapeutic effects are not well-established.


Research

Low confidence
Effective range 0.1–1%
Optimal

N/A

Key findings

  1. 01 Evaluated as component of botanical extracts for antioxidant potential, but isolated clinical data for therapeutic skincare applications remains limited

Transparency

Not commonly dusted

Primarily used at very low concentrations for fragrance purposes rather than therapeutic claims


The Formula

Solubility
Oil
Optimal pH 4.5 – 7
0 7 14

Stability

Light-sensitive aldehyde prone to oxidation; requires amber glass storage under inert atmosphere; degrades under extreme pH conditions

Conflicts

  • Strong oxidizing agents
  • Strong bases
  • Strong acids

Safety

CIR Status
Safe as used
Max tested
1%
Sensitization risk Moderate

Potential skin sensitizer and respiratory irritant in pure form; safe at typical fragrance concentrations in cosmetic products


Your Skin

Yes Normal
Yes Dry
Yes Oily
No Sensitive
Irritancy Moderate
Comedogenicity Unknown

Our Assessment

Optional

A fragrance ingredient with limited therapeutic skincare value, best suited for sensory enhancement rather than active treatment benefits.


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