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Moumoujus

2,3,4,4A,5,6,7,8-OCTAHYDRO-2,5,5-TRIMETHYL-2-NAPHTHOL.

Optional CAS 643-53-8 / PERFUMING

A specialized fragrance molecule known as Ambrinol that functions primarily as a scent fixative in skincare formulations. This compound enhances the longevity of fragrance compositions by binding to skin lipids and reducing the volatility of other aromatic molecules.

Summary

Fragrance Fixative

Science

Mechanism of Action

Functions as a perfuming agent and fixative by reducing vapor pressure of volatile fragrance molecules and binding to skin lipids, creating sustained release of amber-like scent notes over extended periods.

Research

Clinical Evidence

Medium confidence
Effective range 0.01–1%
Optimal

0.1%

Key findings

  1. 01 Demonstrated high olfactory stability and skin compatibility in various cosmetic bases
  2. 02 Effectively extends heart and base notes of fragrance compositions on skin

Transparency

Dusting Analysis

Not commonly dusted

As a fragrance component rather than active ingredient, dusting is not a relevant concern for this molecule.

The Formula

Formulation

Solubility
Oil
Optimal pH 3 – 9
0 7 14

Stability

Exceptionally stable across wide pH range with high oxidation resistance; maintains integrity in alcoholic solutions, perfume oils, and various cosmetic bases including surfactants and emulsions

Conflicts

  • Sodium hypochlorite
  • Strong oxidizing agents

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
1%
Sensitization risk Low

RIFM assessment confirms non-genotoxic and non-clastogenic properties; classified as safe under IFRA standards at typical use levels with minimal irritation potential

Our Assessment

Verdict

Optional

A well-characterized fragrance fixative that serves a purely aesthetic function rather than delivering skincare benefits.

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