Science
Mechanism of Action
This ingredient functions as an antioxidant, proactively inhibiting oxygen-promoted reactions that can lead to ingredient degradation and cellular damage. Its skin conditioning and protective benefits are largely attributed to the byproducts generated during Lactobacillus fermentation, which include a complex mixture of intracellular and extracellular metabolites, enzymes, peptides, and organic acids like lactic acid. Research on related Lactobacillus ferments indicates additional mechanisms such as DNA repair, antimicrobial and anti-inflammatory effects, enhanced cellular oxygen uptake, stimulation of collagen production, and ATP synthesis (demonstrated in in-vitro studies). Furthermore, there is a potential for tyrosinase-inhibiting properties, which could influence skin pigmentation.
Research
Clinical Evidence
Low confidence5%
Key findings
- 01 47% reduction in redness
- 02 Anti-acne properties
- 03 Reduced skin sensitivity
Transparency
Dusting Analysis
Data regarding dusting properties for this specific ingredient is not available in the provided research.
The Formula
Formulation
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel concluded that related Lactobacillus ferment ingredients, consisting primarily of fermentation byproducts rather than live bacteria, are safe for cosmetic use. The highest reported concentration for Lactobacillus Ferment in face and neck products is up to 5.6%. Formulators are advised that skin lightening is considered a drug effect, and cosmetic applications should not be formulated to induce skin depigmentation. Inhalation toxicity data for spray applications is not currently available.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This ferment filtrate provides valuable antioxidant and skin conditioning benefits, with promising data from related Lactobacillus ferments indicating potential efficacy in addressing redness, sensitivity, and acne, alongside brightening effects, underpinned by a favorable safety assessment for its core components.
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References
Sources