Science
Mechanism of Action
It functions primarily as a natural tyrosinase inhibitor, where its high arbutin concentration disrupts the melanin synthesis pathway to brighten hyperpigmentation. Beyond pigment control, its polyphenol and catechin content scavenge reactive oxygen species (ROS), while its pectic polysaccharides modulate inflammatory responses and its tannins provide a mild astringent effect to refine skin texture.
Research
Clinical Evidence
High confidence2%
Key findings
- 01 Identified as a major natural source of arbutin, facilitating significant tyrosinase inhibition for skin whitening.
- 02 Pectic polysaccharides (Bergenan) demonstrated significant immunomodulating effects and enhanced radical scavenging.
- 03 Demonstrated the ability to downregulate pro-inflammatory markers IL-23 and IL-17, suggesting high efficacy for inflammatory skin conditions.
Transparency
Dusting Analysis
While often listed in 'botanical blends' at negligible amounts (below 0.1%) for marketing claims, concentrations of at least 1-2% are typically required to leverage its arbutin-driven brightening effects and antioxidant benefits.
The Formula
Formulation
Stability
The extract is most stable in water-based or hydro-ethanolic systems within a slightly acidic pH range. High heat should be avoided during manufacturing to preserve the integrity of heat-sensitive polyphenols.
Synergies
- Vitamin C
- Niacinamide
- Hyaluronic Acid
Conflicts
- Strong oxidizing agents
- High pH formulations (>8.0)
Safety
Safety Profile
Recognized for its safety in traditional and modern topical applications; however, users should be aware that in highly alkaline environments, its arbutin content can potentially hydrolyze into hydroquinone.
Your Skin
Skin Compatibility
Our Assessment
Verdict
An exceptional botanical source of arbutin that provides high-performance brightening and antioxidant protection for all skin types.
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