Prebiotic/Probiotic/Postbiotic

Bacillus … Ferment Filtrate

INCI: BACILLUS/TURMERIC ROOT/SOYBEAN FERMENT FILTRATE

Reviewed by Emma · Last updated 2 Jun 2026

Also known as: Bacillus/turmeric Root/soybean Ferment Filtrate

A fermented blend combining turmeric's antioxidant power with skin-conditioning properties

Best For Skin Types

All, Dry, Mature

Addresses

Dryness, Sensitivity, Dull skin

Usage Frequency

Daily

What Is Bacillus … Ferment Filtrate?

Bacillus/Turmeric Root/Soybean Ferment Filtrate is a fermented ingredient created by cultivating beneficial Bacillus bacteria in a medium containing turmeric root and soybean. The fermentation process breaks down the raw plant materials into smaller, more bioavailable compounds. The resulting filtrate is then extracted and concentrated for use in skincare formulations.

This ingredient functions primarily as an antioxidant and skin conditioner. Turmeric is traditionally recognised for its antioxidant properties, whilst the fermentation process may enhance bioavailability and add conditioning benefits derived from the soybean component. The ingredient is designed to support the skin's defence against environmental stressors whilst maintaining moisture and suppleness.

Benefits for Your Skin

How It Works

Fermentation breaks down the cell walls and complex molecules in turmeric and soybean, producing smaller compounds that the skin can more readily absorb and utilise. This process also generates bioactive metabolites produced by the Bacillus bacteria themselves. These compounds work together to neutralise free radicals that accumulate on the skin from daily environmental exposure, thereby reducing oxidative damage.

The soybean component provides conditioning properties that help maintain the skin barrier's hydration and elasticity, whilst turmeric's traditional antioxidant activity supports skin resilience. The fermented form is designed to be less irritating than unfermented turmeric whilst retaining or enhancing its beneficial properties.

Clinical Evidence & References

Research specifically examining this fermented complex is limited. However, turmeric's antioxidant and anti-inflammatory properties are well documented in scientific literature, and fermentation is known to improve the bioavailability and stability of plant compounds. Soybean extracts have also demonstrated skin-conditioning benefits in cosmetic research.

The combination of these three elements—Bacillus fermentation, turmeric, and soybean—suggests additive benefits, but human clinical data directly evaluating this specific blend in skincare products is scarce. Most evidence comes from in vitro studies or established knowledge of the individual components. Further research would help clarify its efficacy in real-world skincare use.

How to Use

This ingredient is typically incorporated into serums, moisturisers, and treatment products at concentrations that support its antioxidant and conditioning functions. As with any active ingredient, introduce it gradually if you have sensitive skin, and use as directed on the product label. It pairs well with other antioxidants and can be used daily as part of both morning and evening routines, though follow the specific product instructions for optimal results.

Safety & Precautions

Fermented ingredients are generally well-tolerated and often gentler than their unfermented counterparts. Turmeric may cause sensitivity in rare cases; patch test if you have a known sensitivity to turmeric or soy. Discontinue use if irritation develops.

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