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Moumoujus

LACTOBACILLUS/STREPTOCOCCUS THERMOPHILUS MILK FERMENT.

Valuable / SKIN PROTECTING

This biotechnologically produced ingredient is a ferment derived from milk, utilizing both Lactobacillus and Streptococcus Thermophilus bacteria. It is precisely formulated to enhance skin health by reinforcing the skin's natural barrier, optimizing hydration, and cultivating a balanced microflora for improved resilience and aesthetic.

Summary

skin-protective probiotic dna repair anti-microbial anti-inflammatory preservative

Science

Mechanism of Action

LACTOBACILLUS/STREPTOCOCCUS THERMOPHILUS MILK FERMENT significantly boosts skin integrity through multiple pathways. It exhibits excellent moisturizing properties, leading to tangible improvements in skin texture, softness, and elasticity. Furthermore, it fortifies the skin's protective barrier by stimulating the endogenous production of essential lipids, such as ceramides. The ingredient also promotes cellular renewal, effectively reduces inflammatory responses, and delivers potent antioxidative and cell-protective effects, including acting as a DNA repair enzyme. Its inherent anti-microbial and anti-inflammatory attributes are critical for fostering a healthy skin microflora, potentially addressing conditions like acne and rosacea by neutralizing harmful bacteria and shielding against environmental aggressors.

Research

Clinical Evidence

Medium confidence
Effective range 1–5%
Optimal

5%

Key findings

  1. 01 Clinical investigations on a closely related ingredient, Lactobacillus Ferment, reported a quantifiable reduction in skin sensitivity.
  2. 02 At this concentration, studies involving a related ingredient, Lactobacillus Ferment, demonstrated significant efficacy against acne and rosacea. It was shown to reduce the size and redness of acne lesions more rapidly than salicylic acid, alongside its ability to combat harmful bacteria and promote a balanced, healthy skin microflora.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 3.5 – 4.7
0 7 14

Stability

As a fermented milk product, this ingredient maintains stability optimally within an acidic pH range, typically between 3.5 and 4.7. Research on similar fermented dairy ingredients suggests a stable pH range of 4.2 to 4.6 during storage conditions. This ingredient is produced via biotechnology.

Safety

Safety Profile

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

The Cosmetic Ingredient Review (CIR) Expert Panel has assessed similar fermented ingredients, specifically Lactobacillus Ferment and its derivatives, concluding they are safe for use in cosmetic formulations. The highest reported concentration for Lactobacillus Ferment in face and neck products (non-spray) is 5.6%. Independent safety assessments for Streptococcus Thermophilus Ferment Filtrate also indicate an excellent safety profile, being widely tolerated with negligible serious side effects, reinforcing the ingredient's low sensitization risk.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

LACTOBACILLUS/STREPTOCOCCUS THERMOPHILUS MILK FERMENT is a valuable probiotic-derived ingredient, delivering extensive benefits including barrier reinforcement, deep hydration, anti-inflammatory actions, and microbiome rebalancing, making it highly suitable for all skin types with a demonstrably low risk of irritation or comedogenicity.

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