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Moumoujus

1-TRIMETHYL-2-CYCLOHEXENYL-1-PENTEN-3-ONE.

Optional CAS 7779-30-8 / PERFUMING

A methyl ionone derivative functioning exclusively as a fragrance component, delivering distinctive violet and floral notes to cosmetic formulations. This unsaturated ketone serves no documented skincare benefits and exists purely for sensorial enhancement through olfactory appeal.

Summary

Fragrance

Science

Mechanism of Action

Acts solely as an aromatic compound binding to olfactory receptors to provide fragrance experience; does not interact with skin cellular processes or provide therapeutic benefits

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Commonly dusted
Min. effective
0.001%
Red flag below
0.002%

Regulatory limits at 0.001% in leave-on products suggest minimal functional contribution; higher percentages indicate prioritization of fragrance over active ingredients

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Prone to oxidative degradation as an unsaturated ketone; requires antioxidant stabilizers like BHT or tocopherol for formula longevity

Synergies

  • BHT
  • Tocopherol
  • other antioxidant stabilizers

Conflicts

  • Strong oxidizing agents
  • Strong bases

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
0.001%
Sensitization risk Moderate

Regulated fragrance allergen requiring mandatory declaration above 0.001% in leave-on products and 0.01% in rinse-off products under EU and California legislation

Our Assessment

Verdict

Optional

Pure fragrance ingredient with no skincare benefits and moderate allergenicity concerns.

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