Science
Mechanism of Action
Lentinus Edodes/Hydrolyzed Rice Bran Ferment Filtrate Extract exhibits a broad spectrum of beneficial actions on the skin. Functioning as a potent antioxidant, it neutralizes damaging oxygen species and free radicals, thereby preserving skin protein integrity and preventing a dull, aged appearance. Its anti-inflammatory properties are effective in reducing irritation and calming the skin, making it suitable for sensitive conditions. The ingredient also demonstrates antimicrobial activity, capable of inhibiting detrimental bacteria such as *P. acnes*, a contributor to acne development. As a comprehensive skin conditioning agent and humectant, it optimizes skin hydration, leading to a softer, smoother texture and improved overall appearance. Furthermore, it actively addresses aging concerns by promoting the synthesis of essential structural proteins like collagen and elastin, enhancing fibroblast migration, and improving the skin's mechanical resilience. It also targets hyperpigmentation through the inhibition of melanin synthesis and protects cellular health by reducing fibroblast senescence and MMP-1 expression.
Research
Clinical Evidence
Medium confidenceN/A
Transparency
Dusting Analysis
No data suggests that this ingredient is commonly used at sub-efficacious concentrations or is subject to 'dusting' in formulations.
The Formula
Formulation
Stability
Although a specific optimal pH range for the stability of the complete 'LENTINUS EDODES/HYDROLYZED RICE BRAN FERMENT FILTRATE EXTRACT' is not explicitly documented, a phytase enzyme derived from *Lentinus edodes* exhibits considerable stability across a broad pH range of 3.0-9.0, suggesting potential stability within this range for components of the ingredient. This ingredient may also confer benefits in extending the shelf life and maintaining the quality of cosmetic products.
Synergies
- Can contribute to extending the shelf life and overall stability of cosmetic formulations.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has not specifically reviewed 'LENTINUS EDODES/HYDROLYZED RICE BRAN FERMENT FILTRATE EXTRACT'. While potential side effects such as skin irritation, redness, itching, and allergic reactions have been noted for 'Lentinus Edodes Mycelium Ferment Filtrate Extract' (a similar ingredient), these adverse reactions are generally uncommon. An alcohol-free rice bran fermentation solution, a key component, has been found not to cause irritation. Patch testing is typically recommended for new ingredients to assess individual compatibility. A related food-grade ingredient has received Generally Recognized as Safe (GRAS) status from the FDA, though this classification is for food use and not directly applicable to topical cosmetics.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This potent fermented extract is an essential multi-functional ingredient, leveraging the benefits of Shiitake mushroom and rice bran to visibly brighten, hydrate, protect, and rejuvenate all skin types with a generally low risk of adverse reactions.
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