Science
Mechanism of Action
It functions via the upregulation of Aquaporin 3 (AQP3) and Occludin (OCLN), proteins essential for water transport and tight junction stability. The presence of triterpenes like betulin and phenolic compounds like catechol provides secondary antioxidant defense and inhibits the COX-2 pathway to mitigate inflammatory responses.
Research
Clinical Evidence
High confidence1%
Key findings
- 01 A 2022 split-face study found that inclusion levels between 0.1% and 1.0% outperformed 3% Niacinamide in increasing barrier protein expression and reducing trans-epidermal water loss (TEWL).
- 02 Research published in PLOS One (2014) demonstrated that 5 µg/mL concentrations accelerated wound repair by promoting keratinocyte migration and managing the inflammatory phase via transient cytokine upregulation.
Transparency
Dusting Analysis
Given its efficacy at sub-1% levels, this ingredient is rarely 'dusted.' In fact, it is often used at high percentages as a replacement for deionized water, though its peak physiological benefits for protein upregulation are achieved at precision dosages.
The Formula
Formulation
Stability
Relatively stable in aqueous systems; however, the steam distillate may undergo degradation if exposed to extreme pH environments below 3.0 or above 8.0.
Synergies
- Niacinamide
- Hyaluronic Acid
- Glycerin
Conflicts
- Strong oxidizing agents
- Highly acidic formulations
- Highly alkaline formulations
Safety
Safety Profile
Considered non-toxic and safe for cosmetic use. Potential for sensitization is only noted at exceptionally high concentrations where the natural astringency may cause mild reactivity in compromised skin.
Your Skin
Skin Compatibility
Our Assessment
Verdict
A high-performance botanical active that demonstrates superior barrier-regulating capabilities compared to traditional synthetic humectants.
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