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Moumoujus

2-METHYL 5-PHENYLPENTANOL.

Optional CAS 25634-93-9 / FRAGRANCE

A multifunctional ingredient that combines antimicrobial activity with fragrance properties, specifically targeting odor-causing bacteria while imparting subtle rose-like floral notes. Primarily recognized for its ability to inhibit Gram-positive bacteria responsible for body odor formation, making it valuable in deodorant formulations and personal care products.

Summary

antimicrobial perfuming odor control

Science

Mechanism of Action

Functions as a selective antimicrobial agent by suppressing the growth of specific Gram-positive bacteria including Corynebacterium xerosis and Staphylococcus epidermidis, which are responsible for breaking down sweat components into malodorous compounds. Additionally serves as a fragrance modifier with characteristic rose and floral scent profiles.

Research

Clinical Evidence

Medium confidence
Effective range 0.1–2.5%
Optimal

0.5%

Key findings

  1. 01 Proven antimicrobial effectiveness in human in vivo odor reduction studies against key odor-producing bacterial strains

Transparency

Dusting Analysis

Not commonly dusted

Primarily used in specialized applications like deodorants and fragrances rather than general skincare, making ingredient dusting unlikely

The Formula

Formulation

Solubility
Both
Optimal pH 1.5 – 12
0 7 14

Stability

Demonstrates exceptional stability across wide pH ranges from strongly acidic to alkaline conditions. Shows excellent compatibility with shampoos, soaps, and antiperspirant roll-ons.

Conflicts

  • Bleach-containing formulations
  • High-concentration citric acid cleaners
  • Prolonged contact with PVC materials

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
8%
Sensitization risk Low

RIFM and IFRA assessed with 8% limit applying to fragrance concentrates only. Final product usage typically around 0.5%. Classified as skin and eye irritant in undiluted form but considered non-sensitizing based on weight-of-evidence studies.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Optional

A specialized antimicrobial-fragrance ingredient most valuable in deodorant applications, with limited broader skincare utility due to narrow bacterial spectrum and primary focus on odor control.

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