Science
Mechanism of Action
This fermented filtrate is hypothesized to bolster skin health through multiple pathways. Its constituent components are believed to deliver essential nutrients and antioxidants, crucial for mitigating oxidative stress. It actively reduces inflammation, supports the skin's natural barrier function, and promotes a balanced skin microbiome, protecting against environmental aggressors. Specifically, the Kaempferia parviflora component contributes potent antioxidant, anti-inflammatory, and antimicrobial actions against bacteria like Cutibacterium acnes and Staphylococcus epidermidis. It also exhibits sebostatic properties by inhibiting lipogenesis in sebocytes, moderates melanin production through tyrosinase inhibition for a brightening effect, and contains polymethoxyflavones that combat skin aging by reducing cellular senescence and enhancing skin structure.
Research
Clinical Evidence
Low confidenceN/A
Key findings
- 01 An ethyl acetate extract of Kaempferia parviflora, incorporated into a gel-cream, demonstrated a significant reduction in acne severity index by 36.52% after 4 weeks and 52.20% after 6 weeks in human subjects. Additionally, erythema was reduced by 18.19% at 4 weeks and 18.54% at 6 weeks. It is important to note this study was performed with an *extract* of Kaempferia parviflora, not the specific fermented filtrate.
- 02 In an in vitro study, Kaempferia parviflora extract (KPE) stimulated the proliferation and migration of human gingival fibroblasts, alongside enhancing collagen production during the initial stages of wound healing. This research utilized a Kaempferia parviflora *extract*, not the fermented filtrate.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
To maintain integrity, temperatures exceeding 60°C should be avoided due to the Saccharomyces ferment component. An ethyl acetate extract of Kaempferia parviflora, when formulated in a gel-cream, exhibited robust stability in both viscosity and pH (maintaining a pH range of 5.35–5.45) over 3 months across varying temperatures (4°C, 45°C, and ambient).
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Panel has indicated insufficient data for various yeast-derived ingredients, including close relatives such as 'Saccharomyces Lysate Extract Filtrate'. The specific combination of Saccharomyces and Kaempferia Parviflora Rhizome Ferment Extract Filtrate has not undergone explicit safety review by CIR. However, Kaempferia parviflora extract itself has demonstrated a favorable safety profile, showing non-toxic, non-irritating, and non-sensitizing properties in skin patch tests and clinical trials.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While its botanical precursor and fermentation process suggest promising skin benefits, specific clinical efficacy and safety data for this precise fermented filtrate are currently insufficient for a definitive assessment.
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