Science
Mechanism of Action
This non-ionic surfactant utilizes a silicone backbone to lower interfacial tension, allowing for the stable creation of oil-in-water (O/W) emulsions. Beyond its structural role, it acts as a film-former that smooths skin texture and ensures the even distribution of active ingredients, pigments, and UV filters across the dermal surface.
Research
Clinical Evidence
High confidence5%
Key findings
- 01 Clinical evaluations of undiluted alkoxy polysiloxanes (100% concentration) on 50 subjects confirmed a complete absence of irritation or sensitization.
- 02 Studies involving a 40% aqueous solution demonstrated that the compound is non-primary-irritating to the skin.
- 03 Patch testing of related alkyl dimethicone copolyols at 15% concentration showed high skin compatibility under occlusive conditions.
Transparency
Dusting Analysis
As a functional emulsifier rather than an active treatment, 'dusting' is less relevant here; however, concentrations below 0.5% may indicate it is being used only for minor sensory modification rather than true emulsion stability.
The Formula
Formulation
Stability
Exhibits exceptional robustness across a broad pH spectrum (3.0–11.0). It is particularly valued for cold-process manufacturing and its ability to improve the freeze-thaw resilience of complex emulsions.
Synergies
- Titanium Dioxide
- Zinc Oxide
- Mineral Pigments
Conflicts
- Nitrosating agents
Safety
Safety Profile
Industry standards require the monitoring of 1,4-dioxane levels, ensuring they remain below 1 ppm to maintain high purity and safety profiles.
Your Skin
Skin Compatibility
Our Assessment
Verdict
An essential structural component for achieving elegant, non-greasy textures and superior pigment dispersion in precision skincare.
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References
Sources