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Moumoujus

2-TERT-BUTYL-4-METHYLCYCLOHEXANOL.

Essential CAS 67634-11-1 / PERFUMING

A cutting-edge synthetic compound that functions as a neurological pain interceptor for sensitive skin by blocking TRPV1 receptors on nerve endings. This innovative ingredient prevents stinging, burning, and irritation signals from reaching the brain before they're even perceived. Most commonly found in professional formulations under the trade name SymSitive 1609.

Summary

Neurosensory modulator Anti-irritant Skin conditioning agent Sensitivity reducer

Science

Mechanism of Action

Functions as a selective antagonist of TRPV1 (vanilloid) receptors located on cutaneous nerve endings, blocking calcium influx triggered by environmental aggressors like heat, chemicals, and mechanical stress, thereby preventing pain and irritation signals from transmitting to the brain and effectively raising the skin's sensory tolerance threshold.

Research

Clinical Evidence

High confidence
Effective range 0.15–1%
Optimal

0.5%

Key findings

  1. 01 Demonstrated 78% reduction in capsaicin-induced stinging and 80% reduction in burning within 3 minutes at 0.15-0.9% concentration (JEADV, 2016)
  2. 02 Significantly improved rosacea-associated stinging and burning in 1,221 subjects over 4 weeks at 1.0% concentration (J Drugs Dermatol, 2017)
  3. 03 Achieved 93.9% subject satisfaction for immediate hypersensitivity reduction with 65% decrease in stinging scores after 21 days (PubMed PMID: 27730704)

Transparency

Dusting Analysis

Not commonly dusted
Min. effective
0.1%
Red flag below
0.05%

Given its potent neurological activity and specialized mechanism, concentrations below 0.1% are unlikely to provide meaningful sensory relief, making this ingredient unsuitable for dusting practices.

The Formula

Formulation

Solubility
Oil
Optimal pH 4 – 8
0 7 14

Stability

Lipophilic solid requiring oil phase or glycol solubilization; demonstrates excellent stability across typical skincare pH ranges but may recrystallize at concentrations exceeding 0.5% without adequate emollient support.

Synergies

  • Pentylene Glycol
  • Emollient esters
  • Anti-inflammatory actives

Conflicts

  • Pure aqueous systems
  • High-concentration water-only formulations

Safety

Safety Profile

CIR Status
Not specifically reviewed, but parent alcohol category deemed safe
Max tested
3%
Pregnancy
Safe
Sensitization risk Low

Manufacturer guidelines recommend 1-3% for SymSitive 1609 solution, corresponding to approximately 0.3-0.9% pure active compound.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Essential

A scientifically-backed neurological breakthrough that represents the gold standard for managing skin hypersensitivity through targeted receptor modulation.

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