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Moumoujus

8-UNDECENAL.

Optional CAS 58296-81-4 / PERFUMING

8-Undecenal is an aldehydic fragrance compound that delivers waxy, citrus-like scent notes in cosmetic formulations. This oil-soluble ingredient functions exclusively as a perfuming agent without established skincare benefits beyond sensory enhancement.

Summary

perfuming

Science

Mechanism of Action

Functions purely as a fragrance molecule by binding to olfactory receptors to produce its characteristic aldehydic scent profile, with no documented biochemical activity on skin cells beyond potential protein binding that may trigger sensitization responses

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

As a specialized fragrance component with no skincare benefits, this ingredient is not subject to marketing dusting practices

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Exhibits high oxidation sensitivity and tendency to polymerize upon air exposure; requires cool, dark storage with antioxidants like BHT, often encapsulated to prevent base ingredient interactions

Conflicts

  • Amines (forms adducts)
  • Strong oxidizing agents
  • Strong bases
  • Indole
  • Anthranilates

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
1.0%%
Sensitization risk Moderate

RIFM safety assessments cover this ingredient with IFRA recommending 1.0% maximum in fragrance concentrates; aldehydic structure presents moderate sensitization potential

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Optional

A specialized fragrance ingredient with moderate sensitization risk and no skincare benefits beyond scent enhancement.

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