Science
Mechanism of Action
This extract operates through a rich profile of polyphenols, including flavonoids like orientin, homoorientin, isovitexin, and vitexin, alongside phenolic acids such as chlorogenic acid derivatives, which collectively neutralize free radicals. It bolsters skin hydration and elasticity, calms inflammatory responses, supports cellular regeneration, and enhances barrier function. The presence of silica further contributes to overall skin health and resilience.
Research
Clinical Evidence
Medium - note: clinical studies cited utilize extracts from related phyllostachys species (p. bambusoides, p. pubescens peel), not directly p. edulis leaf extract. while indicative of potential benefits, direct efficacy data for p. edulis leaf extract itself is not available in the provided research. confidence2%
Key findings
- 01 An in vitro study utilizing a related extract (Phyllostachys pubescens peel) demonstrated that a 2.0% concentration effectively inhibited melanin production and enhanced cell viability within a three-dimensional human skin model. It's important to note that a 5.0% concentration of this related extract, while still inhibiting melanin, led to the formation of a green precipitate and a slight reduction in cell viability (remaining above 80%).
- 02 Another in vitro study on a related extract (Phyllostachys bambusoides) indicated that concentrations ranging from 50-400 μg/mL did not adversely affect cell viability in 3T3-L1 adipocytes, suggesting a favorable safety profile at these levels.
Transparency
Dusting Analysis
The Formula
Formulation
Conflicts
- May form a green precipitate at concentrations above 2.0% (e.g., 5.0%) for related Phyllostachys pubescens peel extract, which could impact aesthetic and formulation stability.
Safety
Safety Profile
Generally regarded as safe and well-tolerated for topical use. Regulatory bodies, like the European Cosmetics Regulation, acknowledge the safety of bamboo extracts within established cosmetic dosages. Oral studies in rats and mice involving an ethanolic extract from Phyllostachys edulis leaves showed no toxic effects at high doses (>10 g/kg body weight) and no mutagenicity or abnormal symptoms in a 30-day subchronic feeding study up to 830 mg/kg body weight per day. However, a patch test is recommended for individuals with known allergies or heightened skin sensitivity.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Phyllostachys Edulis Leaf Extract is a valuable botanical, offering comprehensive antioxidant and soothing benefits, though direct clinical efficacy data for this specific extract remains limited.
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References
Sources