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Moumoujus

4-METHYL-2-PHENYLETHYL-1,3-DIOXOLANE.

Optional CAS 67634-23-5 / PERFUMING

A volatile acetal compound primarily utilized as a fragrance ingredient in cosmetic formulations. This oil-soluble aromatic delivers a distinctive green, melon-like scent profile while maintaining good stability in alkaline environments.

Summary

perfuming

Science

Mechanism of Action

Functions as a sensory modifier by releasing volatile aromatic compounds upon application and evaporation, creating olfactory enhancement in skincare products through its characteristic green and melon fragrance notes.

Research

Clinical Evidence

Medium confidence
Effective range ≤2%
Optimal

N/A

Key findings

  1. 01 Maximum safe concentration established by IFRA standards for skin sensitization prevention

Transparency

Dusting Analysis

Not commonly dusted

As a fragrance component with established IFRA concentration limits, dusting is uncommon and unnecessary given the 2.0% maximum usage level.

The Formula

Formulation

Solubility
Oil
Optimal pH 7 – 10
0 7 14

Stability

Demonstrates high stability in alkaline conditions but undergoes hydrolysis in acidic environments due to acetal structure breakdown

Conflicts

  • Acidic environments (pH < 6.0)
  • Strong oxidizing agents

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
2%
Sensitization risk Low

Regulated under IFRA fragrance safety standards rather than traditional cosmetic ingredient assessments; non-genotoxic profile established

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Optional

A well-tolerated fragrance ingredient with established safety limits, suitable for non-sensitive skin types seeking aromatic enhancement.

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