Science
Mechanism of Action
This advanced ferment lysate filtrate operates through multiple biological pathways to optimize skin health. It furnishes vital nutrients and potent antioxidants, which are crucial for mitigating inflammation and stimulating the endogenous production of both collagen and soluble elastin within human fibroblasts. These actions collectively improve skin elasticity and visibly reduce the appearance of fine lines. The ingredient robustly enhances the skin's natural barrier function by fostering epidermal differentiation and critical moisture retention, significantly boosting hydration via its rich Natural Moisturizing Factor content, and demonstrably minimizing trans-epidermal water loss. Furthermore, it helps to normalize sebum production, inhibits tyrosinase activity to combat dull skin tone, accelerates recovery from sun-induced redness, and elevates cellular oxygen uptake, thereby supporting comprehensive skin cell metabolism and repair for pronounced anti-aging benefits.
Research
Clinical Evidence
Low confidenceN/A
Key findings
- 01 A study on a related ingredient, Saccharomyces boulardii fermented product filtrate, demonstrated that continuous application of a 5% concentration in a spray for four weeks resulted in a 37.2% average reduction in trans-epidermal water loss (TEWL) and a 62.5% increase in stratum corneum hydration. While indicative of yeast ferment benefits, direct clinical efficacy for Saccharomyces/Gold Ferment Lysate Filtrate specifically is yet to be established.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
For optimal potency and shelf life, which typically ranges from 12 to 24 months, the ingredient should be stored in a cool, dark, and dry environment.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel currently lists 'Saccharomyces/Gold Ferment' with 'Not determined' status for oral, dermal, and inhalation toxicity. For the broader category of 'Yeast-Derived Ingredients,' including 'Saccharomyces Ferment Lysate Filtrate,' an 'Insufficient Data Announcement' was previously issued. However, Human Repeat Insult Patch Test (HRIPT) data for 'Saccharomyces Ferment Lysate Filtrate' was received in October 2023, suggesting a generally low irritancy potential. Recommended concentrations for general 'Saccharomyces Ferment Filtrate' in leave-on products are typically 0.1% to 5%, with use levels for 'Saccharomyces ferment lysate filtrate' reported up to 20%.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While mechanistic data points to promising benefits for hydration, barrier function, and anti-aging, direct clinical evidence specific to Saccharomyces/Gold Ferment Lysate Filtrate remains limited, and its CIR status is 'insufficient data,' warranting further targeted research.
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