Science
Mechanism of Action
It functions as a biological upregulator of Aquaporin-3 (AQP3) and Occludin (OCLN), which are essential proteins for cellular hydration transport and tight-junction barrier integrity. Additionally, it exerts antioxidant protection by scavenging free radicals and inhibits the COX-2 enzyme to mitigate inflammatory pathways.
Research
Clinical Evidence
Medium confidence1.3%
Key findings
- 01 Demonstrated superior antioxidant and anti-inflammatory performance compared to 3% Niacinamide, specifically through the upregulation of barrier-essential proteins.
Transparency
Dusting Analysis
Because it shows efficacy at concentrations as low as 0.1%, many brands include it at trace amounts (below 0.05%) merely for label claims or fragrance masking without achieving the physiological barrier-strengthening benefits.
The Formula
Formulation
Stability
Highly sensitive to photo-oxidation; requires airtight, UV-protective packaging to maintain the integrity of its volatile phenolic compounds.
Synergies
- Empetrum Nigrum (Crowberry) for enhanced barrier protein synthesis
- Humectants like Glycerin to leverage increased AQP3 channels
Conflicts
- Strong oxidizing agents
- High-alkaline formulations (pH > 8.0)
Safety
Safety Profile
Safe within recommended limits, though concentration must be monitored due to methyl salicylate content and potential volatile allergens in leave-on products.
Your Skin
Skin Compatibility
Our Assessment
Verdict
A high-performance botanical that bridges the gap between traditional astringency and modern barrier science, provided it is formulated within safety thresholds.
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