Science
Mechanism of Action
This ingredient functions as a high-capacity antioxidant, utilizing radical scavenging activities (70-90%) to neutralize environmental stressors. It reduces inflammatory markers like IL-6 and TNF-α by up to 40% and acts as a TRPV1 modulator, which significantly lowers the threshold for skin irritation and neurosensory discomfort. Additionally, it provides mild astringent effects to optimize pore appearance.
Research
Clinical Evidence
High confidence3%
Key findings
- 01 In human patch testing, concentrations up to 3.06% were confirmed to be non-sensitizing and non-irritating, with any transient reactions resolving within 24 hours.
- 02 Topical application demonstrated immediate and sustained reduction in skin sensitivity via modulation of the TRPV1 receptor pathway.
- 03 In vitro studies showed a 40% reduction in key inflammatory markers and high DPPH radical scavenging efficiency.
Transparency
Dusting Analysis
While often included at trace amounts for fragrance or label claims, concentrations of at least 1.0% are required to achieve meaningful antioxidant and anti-inflammatory results. Formulations below 0.1% are likely purely for olfactory or marketing purposes.
The Formula
Formulation
Stability
Highly stable in aqueous and ethanol-based systems. To preserve the potency of its volatile antioxidant compounds, it should be stored in opaque packaging away from direct heat.
Synergies
- Vitamin C
- Niacinamide
- Tocopherol
Conflicts
- High-concentration phototoxic essential oils
- Exfoliating acids (if the skin barrier is already compromised)
Safety
Safety Profile
Safety is contingent on limiting phototoxic furocoumarins. Leave-on products must contain less than 15 ppm of 5-methoxypsoralen (5-MOP) to prevent UV-induced sensitivity.
Your Skin
Skin Compatibility
Our Assessment
Verdict
An excellent multifunctional botanical for protecting the skin barrier and reducing reactivity when formulated within safety thresholds.
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References
Sources