Science
Mechanism of Action
The ingredient exerts its effects through a sophisticated, dual-component mechanism. The Saccharomyces ferment filtrate delivers a concentrated blend of essential minerals, amino acids, beta-glucan, and vitamins, collectively promoting deep skin moisturization, effective soothing, and robust cellular revitalization. It is observed to accelerate cell renewal and boost cellular proliferation, thereby actively supporting skin regeneration. This component can specifically enhance skin's water absorption by upregulating aquaporin 3 (AQP3) expression and stimulating tight junction protein synthesis, which are critical for maintaining barrier integrity. Additionally, its content of phenolic compounds provides significant antioxidant defense. The Rhodiola crenulata root extract component, renowned for its adaptogenic qualities, powerfully inhibits oxidative stress induced by environmental stressors such as UV and gamma radiation within epidermal keratinocytes. It actively strengthens the skin barrier by upregulating key epidermal proteins—filaggrin (FLG), loricrin (LOR), and involucrin (IVL)—via the AHR and OVOL1 pathways. This component further contributes anti-inflammatory, immunomodulatory, and anti-aging benefits, helping to reduce neurogenic-inflammation, calm erythema, and diminish visible signs of fatigue. Collectively, this fermented extract provides enhanced hydration, reinforced barrier function, superior antioxidant protection, calming properties, and comprehensive anti-aging support.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
No specific data is available regarding typical inclusion rates or instances of 'dusting' for this ingredient.
The Formula
Formulation
Safety
Safety Profile
The CIR Expert Panel has designated 'insufficient data' for the broader category of yeast-derived ingredients, including Saccharomyces ferment filtrates, specifically requesting confirmatory dermal sensitization data and information on food use/GRAS status. While Saccharomyces cerevisiae is FDA-recognized as GRAS up to 5% in food, this status pertains to the yeast itself and not directly to this specific cosmetic ferment filtrate. No specific SCCS opinion has been identified.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This ingredient presents a robust mechanistic profile for enhancing skin hydration, barrier function, and offering antioxidant and anti-aging benefits; however, regulatory bodies require further safety data for a definitive assessment of its cosmetic use.
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