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LACTOBACILLUS/SOYBEAN EXTRACT FERMENT FILTRATE.

Valuable CAS - / SKIN CONDITIONING

Lactobacillus/Soybean Extract Ferment Filtrate is a bio-active postbiotic ingredient, resulting from the fermentation of soybeans by Lactobacillus. This advanced filtrate is engineered to reinforce the skin's natural barrier, significantly boost hydration and elasticity, and deliver robust antioxidant protection. It is also recognized for its calming effects on sensitive skin and its capacity to foster a balanced skin microbiome.

Summary

Moisturizer/Humectant Antioxidant Skin-conditioning agent Skin Barrier Support Soothing/Calming Agent Microbiome Stabilizer Collagen Booster Hyaluronic Acid Enhancer Cell Renewal Promoter

Science

Mechanism of Action

This ingredient operates by strengthening the epidermal barrier, which consequently minimizes transepidermal water loss and enhances skin resilience. It actively soothes irritation and cultivates a healthy, stable skin microbiome. Functioning as a humectant, it markedly improves skin hydration and moisture retention, directly contributing to amplified elasticity. Its potent antioxidant capabilities neutralize free radicals, safeguarding the skin from environmental aggressors and oxidative damage. Moreover, it stimulates the endogenous production of collagen and hyaluronic acid, resulting in noticeably smoother and plumper skin. The ferment filtrate further supports skin regeneration and cell renewal, while its fermentation process liberates beneficial compounds, including amino acids, peptides, organic acids (such as lactic acid), and various enzymes.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 A biotic complex containing Lactobacillus/Soybean Ferment Extract demonstrated notable improvements in skin firming and elasticity.
  2. 02 Topical application of a related Lactobacillus Ferment Filtrate reduced signs of skin sensitivity (stinging, itching) and boosted hydration levels.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

The ingredient is a byproduct of specific fermentation processes, which inherently involve controlled pH conditions (e.g., a decrease from 3.90 to 3.10 due to lactic acid production). The final filtrate contains the beneficial byproducts of this fermentation alongside fragments of inactivated bacteria.

Conflicts

  • No specific incompatibilities with other cosmetic ingredients are known for Lactobacillus/Soybean Ferment Extract; however, thorough compatibility testing is always recommended for new formulations.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
5.6%
Sensitization risk Low

The CIR Expert Panel has deemed Lactobacillus Ferment, its filtrates, and lysates (including Lactobacillus/Soybean Ferment Extract) safe for cosmetic use. The highest reported concentration for a related ingredient, 'Lactobacillus Ferment', is up to 5.6% in face and neck products. While generally well-tolerated, individuals with known soy sensitivities are advised to perform a patch test due to the potential for allergic reactions or skin irritation.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

Lactobacillus/Soybean Extract Ferment Filtrate is a valuable postbiotic ingredient that effectively supports skin health by strengthening the barrier, enhancing hydration and elasticity, and providing soothing antioxidant benefits across all skin types.

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