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LACTOBACILLUS/APPLE FRUIT/ORANGE PEEL/CARROT ROOT/CUCUMBER FRUIT/LEMON FRUIT EXTRACT FERMENT FILTRATE.

Valuable CAS - / SKIN CONDITIONING

This advanced active is a postbiotic ferment filtrate derived from Lactobacillus culture on a synergistic blend of apple, orange, carrot, cucumber, and lemon botanical extracts. The meticulous fermentation process bio-transforms these plant components into more bioavailable compounds, optimizing their diverse benefits for comprehensive skin rejuvenation and balance.

Supports Skin Microbiome Balance Reduces Skin Sensitivity Anti-inflammatory Aids in DNA Repair Antimicrobial Reduces Breakouts Regulates Sebum Production Enhances Hydration Provides Skin Nourishment Brightens Skin Tone Reduces Hyperpigmentation Antioxidant Protection Gentle Exfoliation Soothes Irritated Skin Regulates Skin pH Promotes Collagen Synthesis

Science

Operating on multiple biological pathways, this ferment filtrate restores the skin's natural microbiome, a critical aspect of barrier function and resilience. Its postbiotic metabolites mitigate inflammatory responses and support cellular repair, acting even as a DNA repair enzyme to counter environmental stressors. The ingredient exhibits antimicrobial properties, which effectively deter the proliferation of undesirable bacteria and fungi, thereby addressing breakout concerns and aiding in the regulation of sebum production by keeping pores clear. It significantly enhances cutaneous hydration and delivers a rich spectrum of bioavailable vitamins and minerals essential for cellular vitality. Furthermore, select metabolites demonstrate tyrosinase inhibition, visibly reducing hyperpigmentation and promoting a more uniform skin tone. A potent blend of antioxidants, including ferulic acid and polyphenols, is generated during fermentation, offering robust protection against oxidative damage. The enzymatic action of fermentation breaks down complex plant molecules into smaller, more skin-penetrating compounds, maximizing efficacy. Specific fruit contributions include Vitamin C from orange and lemon peels for gentle resurfacing and luminosity, cucumber for soothing properties, and fermented apple peel for enhanced anti-inflammatory and antioxidant activities. Additionally, it helps maintain optimal skin pH and stimulates endogenous collagen synthesis.


Research

Medium confidence
Effective range 1–5%
Optimal

5%

Key findings

  1. 01 Reduced skin sensitivity was observed with Lactobacillus ferment.
  2. 02 Lactobacillus ferment demonstrated efficacy in anti-acne applications.

Transparency

Not commonly dusted

The Formula

Solubility
Water
Optimal pH 4 – 5
0 7 14

Stability

Optimal stability is observed within an acidic pH range of 4.0-5.0, which aligns with the skin's natural acidic mantle and contributes to product integrity. The fermentation process inherently yields an acidic environment, further supporting product stability.

Conflicts

  • Avoid co-formulating with ingredients that significantly elevate the pH outside the optimal 4.0-5.0 range, as this may compromise ingredient stability and efficacy.
  • Individuals with known sensitivities to citrus fruits or fermented ingredients should perform a patch test prior to full application due to potential for allergic reactions.

Safety

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

The CIR Expert Panel affirmed the safety of Lactobacillus Ferment and its derivatives, including filtrates, for cosmetic use. Reported maximum concentrations for these ingredients extend up to 5.6% in leave-on facial products. While generally well-tolerated and non-toxic, a moderate risk of allergic reactions exists, particularly for individuals with sensitive skin or existing citrus/ferment sensitivities, necessitating prior patch testing. It's important to note that the primary active components are post-fermentation byproducts, not live bacteria, and their precise compositional spectrum can vary.


Your Skin

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Valuable

This extensively beneficial ferment filtrate significantly contributes to skin vitality by harmonizing the microbiome, reducing inflammation, promoting cellular repair, and enhancing luminosity across all skin types.


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