Science
Mechanism of Action
This extract operates through a dual-action pathway: it functions as a high-capacity antioxidant by scavenging free radicals and inhibiting nitric oxide production, while also regulating pigmentation by suppressing MITF (Microphthalmia-associated transcription factor) expression and tyrosinase activity to curtail melanin biosynthesis.
Research
Clinical Evidence
High confidence0.5%
Key findings
- 01 Clinical evaluation demonstrated that a 0.5% concentration achieved over 51% DPPH radical scavenging activity alongside a measurable reduction in melanin synthesis via MITF suppression.
Transparency
Dusting Analysis
Because it is a botanical extract often included for 'label appeal' in Hanbang-style marketing, it is frequently used at concentrations below 0.1%. However, clinical data suggests a minimum of 0.5% is required to unlock its significant antioxidant and brightening potential.
The Formula
Formulation
Stability
The extract contains heat-sensitive phytochemicals, including saponins and flavonoids; it must be incorporated during the cooling phase (below 40°C) to maintain biological activity.
Synergies
- Niacinamide
- Vitamin C
- Soothing humectants
Conflicts
- Strong oxidizing agents
- Highly alkaline formulations (pH > 8.0)
Safety
Safety Profile
Recognized by the EU CosIng and ICID as a safe conditioning agent; its long history in traditional medicine and low irritancy profile make it suitable for long-term use.
Your Skin
Skin Compatibility
Our Assessment
Verdict
An exceptional botanical for precision brightening and oxidative stress defense, provided it is formulated at an active concentration of at least 0.5%.
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