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Moumoujus

C32 ALKYL DIMETHICONE.

Valuable CAS - / SKIN CONDITIONING - EMOLLIENT

A sophisticated silicone-wax hybrid that bridges the gap between traditional hydrocarbons and advanced polymers. It provides a structured yet breathable moisture barrier while significantly optimizing the performance of active ingredients like UV filters.

Summary

SPF Booster Emollient Viscosity Controller Skin Conditioner Pigment Dispersant

Science

Mechanism of Action

This ingredient utilizes a long-chain C32 hydrocarbon fused to a dimethicone backbone, creating a film-forming agent that is non-occlusive. It stabilizes formulations by improving the dispersion of pigments and minerals, ensuring a uniform application that prevents transepidermal water loss (TEWL) and enhances the skin's surface architecture.

Research

Clinical Evidence

High confidence
Effective range 3.5–85%
Optimal

3.5%

Key findings

  1. 01 In vitro analysis confirms that a 3.5% concentration of C32 Alkyl Dimethicone can increase the efficacy of SPF formulations by up to 30% by creating a more continuous and uniform protective film.

Transparency

Dusting Analysis

Not commonly dusted
Min. effective
3.5%
Red flag below
1%

While safe at high concentrations, its primary performance benefit as an SPF booster is clinically observed at 3.5%. Formulations using it for marketing claims rather than functional film-forming may include it at negligible levels below 1%.

The Formula

Formulation

Solubility
Oil
Optimal pH 3 – 10
0 7 14

Stability

Highly thermally stable with a melting point between 55-65°C. It is specifically effective at preventing syneresis (oil bleeding) in anhydrous stick products.

Synergies

  • Zinc Oxide
  • Titanium Dioxide
  • Organic UV Filters
  • Iron Oxides

Conflicts

  • Strong oxidizing agents
  • Highly polar aqueous solutions without secondary emulsifiers

Safety

Safety Profile

CIR Status
Safe as used
Max tested
85%
Pregnancy
Safe
Sensitization risk Low

Recognized by the CIR Expert Panel as safe within the Dimethicone/Methicone polymer group when formulated to be non-irritating.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

An essential ingredient for precision suncare and color cosmetics that demand uniform application and enhanced barrier protection without heaviness.

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