Lactobacillus/Soybean Ferment Extract

Lactobacillus/Soybean Ferment Extract is a postbiotic ingredient derived from the fermentation of soybeans by Lactobacillus bacteria. This process breaks down complex molecules into beneficial compounds. It is used in skincare for its potential to support the skin's barrier and provide soothing effects.

BenefitModerate 1.8 / 4

Soothing i2 / 4

Whether it can calm the skin — linked to less redness, irritation, discomfort, or visible reactivity.

Barrier support i2 / 4

Whether it supports the skin barrier — restoring lipids, reducing water loss, aiding barrier repair, or strengthening the skin’s protective function.

Hydration i1.5 / 4

Whether the ingredient helps increase the skin’s water content — humectants that attract water, ingredients that reduce water loss, or ones that make skin feel less dry.

RiskLow 0.5 / 4

Sensitization i0.5 / 4

Risk of allergic contact dermatitis or immune-based reactions. Fragrance allergens, preservatives, botanicals, and some dyes may score here.

Rated by SpottyLabs' ingredient methodology, independent of brands.

What it helps with

• Supports skin barrier function
• Provides soothing properties
• May improve skin hydration

Products with Lactobacillus/Soybean Ferment Extract

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Frequently asked questions

What are postbiotics in skincare?

Postbiotics are beneficial compounds produced by probiotic microorganisms during fermentation. They can include enzymes, peptides, and organic acids that offer skin benefits without introducing live bacteria.

Is Lactobacillus/Soybean Ferment Extract suitable for sensitive skin?

Yes, this ingredient is generally considered suitable for sensitive skin due to its soothing and barrier-supporting properties. It aims to help calm the skin and reduce irritation.