Science
Mechanism of Action
Its steroidal saponins and organosulfur compounds primarily inhibit tyrosinase to reduce melanin production and modulate inflammatory pathways. This dual action provides both skin brightening and soothing effects, complemented by antioxidant and antimicrobial activity.
Research
Clinical Evidence
Low confidenceN/A
Key findings
- 01 50-100 μg/mL demonstrated concentration-dependent melanin inhibition in B16 melanoma cells (in vitro).
- 02 Spirostanol saponins showed pronounced anti-inflammatory activity via inflammatory mediator inhibition.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Best maintained in slightly acidic to neutral pH (4.5-6.5) to prevent degradation of its active sulfur compounds and saponins. Often formulated within fermented complexes for enhanced stability.
Synergies
- Fermentation processes
Conflicts
- Strong oxidizing agents
- Highly alkaline environments (pH > 8.0)
Safety
Safety Profile
Generally considered safe due to wide use as a food (Rakkyo) and EU CosIng listing without restrictions. While typically low irritancy, concentrated extracts may potentially irritate sensitive individuals due to sulfur compounds.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This extract offers valuable multifunctional benefits for skin brightening, soothing, and protection, making it a strong candidate for diverse skincare formulations.
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