Science
Mechanism of Action
The mechanism of action is multifaceted. Lactobacillus ferment filtrates are rich in postbiotics, which are recognized for their ability to hydrate the skin, fortify the stratum corneum, and provide anti-inflammatory benefits by balancing the skin's microflora. These filtrates also act as natural antioxidants, protecting against oxidative stress and aiding in pH balance. Concurrently, Telopea speciosissima extracts contribute potent antioxidants, anti-inflammatory compounds, and properties that support barrier repair, collagen synthesis, skin brightening, and wound healing. The fermentation process breaks down cellular components, making these diverse beneficial elements more readily available and potent for epidermal uptake.
Research
Clinical Evidence
Medium confidence5%
Key findings
- 01 An in-vivo study, utilizing a related probiotic ingredient (Lactobacillus Ferment Lysate Filtrate) at 5% concentration, demonstrated a notable 47% reduction in skin redness, highlighting its potent anti-inflammatory capacity.
- 02 General Lactobacillus Ferment Filtrate is widely recognized for its powerful attributes, including deep hydration, significant strengthening of the skin barrier, and pronounced anti-inflammatory effects.
- 03 Supporting the efficacy of fermented botanicals, a clinical study on fermented Dendrobium officinale (a different plant ferment) observed substantial improvements in stratum corneum water content, skin elasticity, and glossiness, alongside reductions in wrinkle area/ratio and erythema, over 28 and 56 days of use.
Transparency
Dusting Analysis
This ingredient is a complex ferment filtrate designed for functional efficacy rather than superficial claims at minimal concentrations. It is not commonly associated with 'dusting' practices.
The Formula
Formulation
Stability
Ferment filtrates typically require preservation to maintain their stability and efficacy over time. The fermentation process involving Lactobacillus often occurs in a slightly acidic pH range (e.g., 3.2-3.7), suggesting that this ingredient may exhibit good stability in similarly acidic cosmetic formulations.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that Lactobacillus Ferment and its related filtrates, including Lysates, are safe for use in cosmetic applications. These ingredients are composed of the beneficial byproducts of bacterial fermentation, not live bacteria, thereby minimizing concerns regarding microbial activity on the skin. Related Lactobacillus Ferment ingredients have been reported in use at concentrations up to 5.6% in face and neck products.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Combining the robust benefits of Lactobacillus fermentation with Waratah botanical properties, this ingredient is a valuable asset for enhancing hydration, strengthening the skin barrier, and visibly reducing redness across diverse skin types.
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