Science
Mechanism of Action
This extract functions by increasing the skin's moisture levels, significantly boosting hydration. Its beneficial metabolites actively inhibit tyrosinase, the enzyme crucial for melanin synthesis, which effectively reduces hyperpigmentation and promotes a more even, brighter skin complexion. The ingredient is a source of powerful antioxidants, including ferulic acid and various polyphenols, which neutralize damaging free radicals. This action protects skin cells from environmental oxidative stress and helps prevent premature aging. It also exhibits antimicrobial properties, creating an unfavorable environment for certain harmful bacteria and fungi, potentially aiding in the management of bacterial and fungal acne. Furthermore, the extract possesses calming and anti-inflammatory qualities, which reduce redness and alleviate irritation. Broader 'Lactobacillus ferment' benefits also include DNA repair enzyme activity, fortifying skin's resilience against environmental damage.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Optimal stability for this ferment extract is maintained within an acidic to slightly acidic pH range, specifically between 3.5 and 4.5. This aligns with the natural acidity of tomato juice, which is approximately pH 4.0-4.5, favoring the survival and stability of acid-tolerant Lactobacillus strains. Studies indicate probiotic stability in fermented fruit juices can be sustained for over 60 days in cold storage within these pH parameters.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has deemed 'Lactobacillus Ferment Ingredients'—a category encompassing this extract—as safe for use in cosmetic formulations, as noted in a draft final report from June 2025. It is generally recognized as natural, safe, and non-toxic. While the Environmental Working Group (EWG) rates it as 'low concern' for common issues, individuals with highly sensitive skin should consider a patch test due to a minor potential for allergic reaction.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This versatile fermented tomato extract is a valuable ingredient, offering broad benefits from hydration and brightening to antioxidant protection and soothing effects, suitable for a wide range of skin types.
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