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Bacillus/Soybean Ferment Extract

What Bacillus/Soybean Ferment Extract is & what it does

Bacillus/Soybean Ferment Extract is produced by fermenting soybean material with Bacillus bacteria, a process that breaks down the substrate into smaller, skin-friendly compounds. In skincare it is used as a skin-conditioning agent, and ferment-based ingredients are often chosen for their content of peptides, amino acids, and other byproducts of fermentation. The fermentation step is what distinguishes it from a plain soybean extract.

What does Bacillus/Soybean Ferment Extract do in skincare?

Bacillus/Soybean Ferment Extract is made by fermenting soybean material with Bacillus bacteria, and it is used in skincare as a skin-conditioning agent. Fermentation breaks the soybean down into smaller compounds such as peptides and amino acids, which is why ferment-based ingredients are popular in conditioning formulas. It is typically included as a supporting ingredient.

Is Bacillus/Soybean Ferment Extract vegan?

Bacillus/Soybean Ferment Extract is produced from soybean, a plant, and a Bacillus bacterial culture, so it does not rely on animal-derived material in itself. Whether a finished product is vegan depends on its other ingredients and the brand's policies. Check the brand's labeling if vegan status is important to you.

Is Bacillus/Soybean Ferment Extract safe?

Bacillus/Soybean Ferment Extract is used at low concentrations as a conditioning ingredient and is generally well tolerated in topical cosmetics. People with soy allergies may wish to be cautious and patch test. As always, follow the product's directions for use.

Sunscreens with Bacillus/Soybean Ferment Extract

We rate 11 sunscreens that contain it, showing the top 10 by overall score:

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