Science
Mechanism of Action
This extract functions as a multi-pathway brightener by inhibiting tyrosinase activity and suppressing the synthesis of Stem Cell Factor (SCF), a cytokine that signals melanocytes to produce pigment. Furthermore, its high verbascoside content provides a protective shield that prevents the oxidative degradation of other vulnerable actives, such as Vitamin C, within a formulation.
Research
Clinical Evidence
High confidence1%
Key findings
- 01 Clinical testing on 24 volunteers showed a 41% increase in measurable skin radiance over a 28-day period when applied topically.
- 02 In vitro research indicates a significant reduction in SCF-mediated signaling, effectively pre-empting the formation of age spots before they become visible.
Transparency
Dusting Analysis
Due to its 'superberry' marketing appeal in premium skincare, it is frequently included at sub-clinical levels (below 0.1%) simply to appear on the ingredient list. Moumoujus standards require at least 0.1% to ensure cellular signaling impact.
The Formula
Formulation
Stability
Highly stable in water-based solutions. However, the polyphenol integrity is sensitive to prolonged heat and UV exposure; formulas should be housed in opaque or UV-protective packaging.
Synergies
- L-Ascorbic Acid
- Niacinamide
- Tocopherol
Safety
Safety Profile
Maintains an EWG score of 1 and has a long history of safe use in high-end global skincare formulations without reported adverse reactions.
Your Skin
Skin Compatibility
Our Assessment
Verdict
A sophisticated botanical active that offers precise intervention in the skin's pigmentation signaling while doubling as a stabilizer for other antioxidants.
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