Bacillus/Cabbage Leaf Ferment Extract Filtrate
INCI: BACILLUS/CABBAGE LEAF FERMENT EXTRACT FILTRATE
Reviewed by Emma · Last updated 2 Jun 2026
A fermented cabbage extract that supports skin conditioning and hydration
Best For Skin Types
All, Dry, Sensitive
Addresses
Usage Frequency
Daily
What Is Bacillus/Cabbage Leaf Ferment Extract Filtrate?
Bacillus/Cabbage Leaf Ferment Extract Filtrate is produced through the fermentation of cabbage leaf using Bacillus bacteria. During fermentation, the bacteria break down plant compounds and produce bioactive molecules that are then filtered to create a concentrated extract. This ingredient is used in skincare primarily for its skin-conditioning properties.
The fermentation process is believed to enhance the bioavailability of compounds naturally present in cabbage, such as vitamins and amino acids, making them more accessible to the skin.
How It Works
Fermented botanical extracts work through a combination of mechanisms. The fermentation process breaks down cell walls and larger molecules in the cabbage leaf, creating smaller compounds that can be more readily absorbed by the skin. These include amino acids, B vitamins, and other metabolites produced by the Bacillus bacteria.
Once applied, these smaller molecules can help reinforce the skin's natural hydration and support its protective barrier function, whilst the conditioning effect comes from the ingredient's ability to form a gentle film on the skin surface.
Clinical Evidence & References
Direct clinical evidence specifically for Bacillus/Cabbage Leaf Ferment Extract Filtrate is limited. However, fermented plant extracts in general have shown potential in supporting skin hydration and barrier function in some studies, and cabbage has a long history of traditional use for skin health.
The bioavailability enhancement through fermentation is well-established as a principle in cosmetic science, though more targeted research on this particular ingredient would help clarify its efficacy profile in skincare formulations.
How to Use
This ingredient is typically used as part of a complete skincare routine rather than as a standalone treatment. It works well in toners, essences, serums and moisturisers. There is no upper limit to how often you can use products containing this ingredient, so it can be incorporated into both morning and evening routines as part of your regular regimen.
Safety & Precautions
Frequently Asked Questions
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