Science
Mechanism of Action
This extract operates through a dual-action pathway: it primarily functions as a tyrosinase inhibitor to suppress melanin synthesis and diminish age spots, while simultaneously neutralizing free radicals via its high concentration of carotenoids and flavonoids. Additionally, it stimulates hyaluronic acid production and collagen biosynthesis, providing both anti-inflammatory and anti-aging benefits by inhibiting collagenase activity.
Research
Clinical Evidence
High confidence2%
Key findings
- 01 In vivo testing of a 3% concentrated complex (Melaslow™) demonstrated that 71% of participants experienced a measurable reduction in pigmentation and age spot intensity.
- 02 Human safety trials at 0.5% concentration confirmed zero irritation, establishing a baseline for topical tolerance.
Transparency
Dusting Analysis
Due to its complex extraction process, it is frequently included at 'label claim' amounts (below 0.1%) which are insufficient to trigger the tyrosinase inhibition seen in clinical studies. For authentic brightening results, concentrations should meet or exceed 0.5%.
The Formula
Formulation
Stability
The extract shows peak scavenging activity in acidic environments but remains stable under heat treatment. While the bulk extract is water-soluble, specific components like polymethoxyflavones require lipid-based carriers for optimal delivery.
Synergies
- Niacinamide
- Vitamin C (L-Ascorbic Acid)
- Hyaluronic Acid
Conflicts
- High concentrations of volatile essential oils
- Formulations exceeding 15ppm of 5-methoxypsoralen
Safety
Safety Profile
Generally recognized as safe (GRAS). Formulators must ensure the removal of furocoumarins to prevent phototoxicity, keeping 5-MOP levels below 0.0015% in leave-on products.
Your Skin
Skin Compatibility
Our Assessment
Verdict
A high-performance botanical brightener that offers a gentler, more antioxidant-rich alternative to synthetic depigmenting agents.
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