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Moumoujus

BIS-(GLYCERYL/LAURYL) GLYCERYL LAURYL DIMETHICONE.

Valuable CAS 1202686-00-7 / EMULSION STABILISING, SURFACTANT - CLEANSING

A sophisticated, PEG-free silicone emulsifier designed to stabilize complex water-in-oil formulations while providing a matte, breathable finish. It bridges the gap between high-performance pigment suspension and a lightweight, non-sticky skin feel, making it a cornerstone for modern hybrid skincare.

Summary

emulsion stabilising surfactant dispersing agent texture enhancer

Science

Mechanism of Action

This polymeric surfactant utilizes a dimethicone backbone modified with hydrophilic glyceryl and lipophilic lauryl side chains to anchor securely at the oil-water interface. It lowers interfacial tension to stabilize internal water volumes up to 80%, while simultaneously acting as a dispersant that prevents the clumping of mineral pigments and UV filters for a uniform, protective film.

Research

Clinical Evidence

High confidence
Effective range 1–5%
Optimal

3%

Key findings

  1. 01 Provided robust stabilization in silicone-based barrier gels, delivering external protection without compromising the smooth, non-tacky texture.
  2. 02 Enhanced color trueness in foundations by preventing the agglomeration of iron oxides and titanium dioxide from application to wear.
  3. 03 Enabled the successful dispersion of UV filters and pigments in high-performance SPF 25 fluids, resulting in a refined matte finish.

Transparency

Dusting Analysis

Not commonly dusted
Min. effective
1%
Red flag below
0.5%

Because this is a functional emulsifier required for emulsion integrity, it is rarely 'dusted' at negligible levels; however, concentrations below 1% may be insufficient to maintain the stability of high-pigment or high-water-load formulations.

The Formula

Formulation

Solubility
Oil
Optimal pH 4.5 – 9
0 7 14

Stability

Offers exceptional stability in W/O and W/Si systems and is compatible with both polar and non-polar oils.

Synergies

  • Electrolytes (Sodium Chloride/Magnesium Sulfate)
  • Mineral UV Filters
  • Inorganic Pigments

Conflicts

  • High concentrations of water-soluble alcohols

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
5%
Pregnancy
Safe
Sensitization risk Low

Recognized as a skin-friendly, PEG-free alternative. While the specific polymer is pending a formal CIR review, its building blocks—dimethicone, lauryl alcohol, and glycerol—have established safety profiles.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

An essential high-performance stabilizer for PEG-free formulations that require superior pigment uniformity and a matte, sophisticated skin feel.

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