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Moumoujus

2-ETHYLIDENEDECANAL.

Optional CAS 64825-20-3 / PERFUMING

An aromatic aldehyde compound that serves exclusively as a fragrance ingredient in cosmetic formulations. This specialized perfuming agent contributes to product scent profiles but offers no documented therapeutic or active skincare benefits. Its primary function is olfactory enhancement rather than skin treatment.

Summary

perfuming

Science

Mechanism of Action

Functions purely as a fragrance component through its alpha,beta-unsaturated aldehyde structure that contributes aromatic properties to formulations. Has no established bio-active mechanism on skin cells or documented interaction with cellular processes related to skin health.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

Not applicable for dusting analysis as this ingredient provides no active skincare benefits to inflate claims around

The Formula

Formulation

Solubility
Oil
Optimal pH 4 – 8
0 7 14

Stability

Susceptible to oxidation when exposed to air and light; most stable in anhydrous oil-based systems or well-formulated emulsions. pH extremes can trigger aldol condensation or aldehyde group oxidation.

Conflicts

  • Strong oxidizing agents
  • Strong bases
  • Primary amines

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Unknown

Listed on IFRA Transparency List and classified in EU CosIng database for perfuming function. Safety governed by IFRA Standards for fragrance compositions rather than standalone ingredient assessment.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Optional

A functional fragrance ingredient with no skincare benefits, suitable only when scent enhancement is desired in formulations.

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