Science
Mechanism of Action
This ingredient utilizes chemically modified starch granules with a high surface area to physically entrap sebum and lipids on the skin's surface. Its hydrophobic nature allows it to scatter light, creating a soft-focus mattifying effect, while simultaneously acting as a structural stabilizer that increases viscosity and improves the glide of complex emulsions.
Research
Clinical Evidence
High confidence6%
Key findings
- 01 Clinical assessments verified by the CIR (2018) demonstrate that concentrations as high as 30.5% exhibit negligible irritation and zero sensitization potential.
- 02 Studies indicate that inclusion levels between 1% and 6% provide significant SPF boosting properties and successfully mitigate the tackiness of sunscreen formulations.
Transparency
Dusting Analysis
While primarily a functional texturizer, concentrations below 1% are unlikely to provide the characteristic 'dry-touch' or oil-absorbing benefits, suggesting a 'label-only' inclusion for oil-control claims.
The Formula
Formulation
Stability
Highly stable across a wide pH range (3–10). However, it may undergo acid-catalyzed hydrolysis if subjected to environments with a pH lower than 3.0, particularly at elevated temperatures.
Synergies
- Chemical UV filters
- Heavy botanical oils
- Silicone elastomers
Conflicts
- Strong oxidizing agents
- Extreme acidic environments (pH < 3)
Safety
Safety Profile
With an average particle size of 13.5 µm, the ingredient is non-respirable, ensuring safety during application of powdered or aerosolized products.
Your Skin
Skin Compatibility
Our Assessment
Verdict
A highly reliable functional ingredient that bridges the gap between high-efficacy formulations and elegant skin feel, particularly in sun care and oily skin protocols.
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References
Sources