Science
Mechanism of Action
This ingredient functions primarily as a skin conditioning agent, helping to maintain optimal skin health through the synergistic actions of its fermented botanical components. Fermentation, particularly by *Saccharomyces*, is known to enhance the bioavailability, penetration, and antioxidant capacity of plant compounds, while also generating new beneficial substances. *Paeonia suffruticosa* extracts are rich in paeonol derivatives, which, especially after fermentation, demonstrate significant anti-inflammatory, soothing, and antioxidant properties, improving water solubility and biological activity. These extracts also contribute to moisturizing, nourishing, brightening, anti-aging effects, and may help reduce pore size. *Cyperus rotundus* rhizomes add further anti-inflammatory benefits by inhibiting nitric oxide and superoxide production. The overall action supports inflammation reduction, procollagen synthesis, MMP-1 suppression, and a balanced skin microbiome.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
This ingredient is a filtrate, indicating a liquid extract, and is therefore not typically associated with dusting concerns.
The Formula
Formulation
Stability
Similar fermented filtrates suggest good stability when incorporated into the water phase, even at temperatures up to 60°C. Its designation as a 'filtrate' and an 'aqueous liquid' implies robust water solubility.
Safety
Safety Profile
The CIR Panel found 'insufficient data' to determine the safety of several *Paeonia suffruticosa-derived components* (e.g., root, bark extracts) under cosmetic use conditions, although *Paeonia Suffruticosa Seed Oil* was deemed safe. For the complete ferment extract filtrate, specific GHS classifications or comprehensive toxicity data (Oral/Parenteral, Dermal, Inhalation) are reported as 'None found' or 'Not determined,' indicating a general lack of specific hazard data for the blend itself. However, paeonol, a key compound in *Paeonia suffruticosa*, has shown promising safety profiles in both *in silico* predictions and *in vivo* acute and repeated dose oral toxicity studies at significant concentrations (up to 5000 mg/kg).
Your Skin
Skin Compatibility
Our Assessment
Verdict
While its comprehensive botanical blend and fermentation process suggest significant potential for skin conditioning, anti-inflammatory, and antioxidant benefits across all skin types, the current lack of specific clinical efficacy and complete safety data for this exact ingredient blend necessitates a cautious approach.
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