Science
Mechanism of Action
This high-molecular-weight polymeric ester (approx. 5,700 Da) creates a breathable, substantive film on the stratum corneum. It works by significantly reducing trans-epidermal water loss (TEWL) and acting as a superior pigment-wetting agent, which ensures the uniform distribution of active ingredients and minerals across the skin surface.
Research
Clinical Evidence
High confidence0.5%
Key findings
- 01 Supplier clinical trials confirm significant TEWL reduction and SPF enhancement when used between 0.25% and 10%.
- 02 A 2022 clinical study demonstrated that 0.5% concentration in anti-aging complexes contributed to a 21-35% reduction in fine lines over 4 weeks by improving formula substantivity.
Transparency
Dusting Analysis
Because it is effective at enhancing spreadability and film-forming properties at levels as low as 0.5%, it is rarely 'dusted,' though concentrations below 0.25% may not provide the full barrier-protection benefits.
The Formula
Formulation
Stability
Exhibits excellent oxidative stability, outperforming standard vegetable oils. It remains stable across a wide thermal range during storage and transport.
Synergies
- Organic and inorganic UV filters (SPF boosting)
- Mineral pigments (improved dispersion)
- MMP-inhibitory complexes
Conflicts
- Non-polar hydrocarbons (Mineral oil)
- Cyclomethicone
- Un-emulsified aqueous systems
Safety
Safety Profile
Derived from castor oil, which is recognized as GRAS (Generally Recognized as Safe) by the FDA.
Your Skin
Skin Compatibility
Our Assessment
Verdict
A versatile and stable bio-polymer that excels at reducing moisture loss and improving the clinical performance of anti-aging and sun care formulations.
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References
Sources