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Moumoujus

3-HEXENYL 2-METHYLBUTYRATE.

Optional CAS 10094-41-4 / PERFUMING

A volatile ester compound that serves as a sophisticated fragrance ingredient in skincare formulations, delivering green, fruity notes reminiscent of unripe apples and pears. This lipophilic molecule demonstrates high dermal absorption rates and acts as both a perfuming agent and sensory modifier in cosmetic products.

Summary

perfuming masking

Science

Mechanism of Action

Functions primarily as a fragrance component by interacting with olfactory receptors to provide distinctive green and fruity sensory profiles. On skin, it acts as a masking agent with substantial dermal penetration (40-100% absorption), while its volatile ester structure allows for controlled fragrance release from formulations.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted
Min. effective
0.11%
Red flag below
0.11%

Strictly regulated by IFRA with concentration limits varying by product type - exceeding 0.11% in face moisturizers raises immediate safety concerns

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Demonstrates excellent stability across diverse cosmetic matrices due to its lipophilic ester structure (LogP 3.3-4.0). Requires cool storage (2-8°C) to prevent ester bond hydrolysis.

Conflicts

  • Strong oxidizing agents
  • Strong bases

Safety

Safety Profile

CIR Status
Not reviewed by CIR
Max tested
0.11%
Sensitization risk Low

Heavily regulated by IFRA with concentration-dependent limits: 0.11% for face moisturizers, 0.46% for fingertip-applied products, 0.84% for rinse-off formulations. NESIL established at 1000 μg/cm². FEMA GRAS approved for food applications.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Optional

A well-researched fragrance ingredient with established safety parameters, suitable for most skin types but requiring precise concentration control.

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