Science
Mechanism of Action
This ingredient functions by supplying a complex profile of yeast-derived compounds that act as powerful antioxidants. It demonstrably promotes Nrf2 nuclear translocation and upregulates antioxidant proteins such as NQO1 and HO-1, effectively reducing reactive oxygen species (ROS) accumulation. Concurrently, it inhibits the c-Jun N-terminal kinase (JNK) pathway, thereby mitigating oxidative stress-induced inflammation. Furthermore, it supports the integral restoration of the skin barrier by bolstering proteins essential for epidermal differentiation, tight junction integrity, and moisture retention, while also contributing to enhanced elasticity, balanced oil levels, and improved skin tone.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 Studies on Saccharomyces/pearl ferment lysate filtrate (PFL), a closely related ingredient, demonstrated its capacity to repair UVB-induced skin barrier damage. In HaCaT cells, PFL effectively restored epidermal differentiation, tight junction, and moisture retention proteins that were compromised by UVB exposure, simultaneously reducing inflammatory factor expression.
- 02 In an in vivo UVB-induced skin damage mouse model, PFL significantly ameliorated skin peeling, erythema, transepidermal water loss (TEWL), and epidermal thickening, while also suppressing UVB-induced skin inflammation.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Lysates typically exhibit optimal performance within a pH range of 5.0 to 6.0, though ferment filtrates generally offer broader pH tolerance in aqueous systems. For maximal stability and efficacy, it is advised to incorporate this ingredient during the final phase of formulation and to prevent exposure to elevated temperatures.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has not explicitly reviewed SACCHAROMYCES/OPAL FERMENT LYSATE FILTRATE. While general 'Yeast-Derived Ingredients' and 'Saccharomyces Ferment Lysate Filtrate' have been assessed, a 'safe as used' conclusion for this precise complex is currently unavailable. The FDA affirms Saccharomyces cerevisiae as Generally Recognized As Safe (GRAS) for food use up to 5%, but this does not directly extrapolate to this specific cosmetic application. No SCCS status information was identified.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This advanced ferment lysate offers significant antioxidant, anti-inflammatory, and skin barrier repair benefits, making it a valuable addition for enhancing skin resilience and overall health across all skin types.
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