Science
Mechanism of Action
This extract operates through a complex profile of phenols, ferulic acid, and caffeic acid to neutralize oxidative stress. Biologically, it suppresses the expression of tryptase and the release of histamine to mitigate itching and irritation, while simultaneously inhibiting tyrosinase activity to prevent hyperpigmentation. Furthermore, it downregulates pro-inflammatory mediators such as IL-1α and PGE2, effectively strengthening the skin's barrier against environmental stressors.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 In vitro models demonstrate that concentrations as low as 25 µg/mL effectively inhibit nitric oxide production without cytotoxicity.
- 02 Studies on Coix sprouts indicate a dose-dependent regulation of mast cell proliferation, with 200 µg/mL showing significant inhibitory effects on inflammatory triggers.
- 03 In vivo mouse models using water-based extracts showed a measurable reduction in SDS-induced transepidermal water loss (TEWL) and a decrease in the erythema index.
Transparency
Dusting Analysis
Due to its watery texture and botanical nature, it is frequently included in ingredient lists at negligible concentrations (below 0.1%) for marketing purposes. To achieve therapeutic anti-inflammatory and barrier-repair benefits, it should be present in higher ratios within the formulation.
The Formula
Formulation
Stability
The extract is typically aqueous and maintains a lightweight, low-viscosity profile. It should be stored away from direct UV light to preserve its phenolic antioxidant content.
Synergies
- Niacinamide (enhances brightening and barrier repair)
- Hyaluronic Acid (boosts water-filling moisturizing effects)
- Soothing agents like Bisabolol
Safety
Safety Profile
While the leaf extract specifically lacks a formal CIR review, the related seed oil is confirmed safe. SkinSAFE assessments for the seed extract indicate it is free from common irritants and fragrances.
Your Skin
Skin Compatibility
Our Assessment
Verdict
A highly versatile botanical that excels in soothing sensitive skin and providing gentle brightening through multifactorial inflammatory inhibition.
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References
Sources