Science
Mechanism of Action
This ingredient is a complex blend, with each fermented component contributing synergistically to skin health. Lactobacillus ferment supports the skin's surface harmony, aids in rebuilding the protective barrier, and calms inflammation while safeguarding against detrimental bacteria. It helps regulate hydration, rebalance the skin microbiome, and refines texture and clarity through congestion reduction and oil regulation. Additionally, it functions as a DNA repair enzyme, exhibits anti-microbial and anti-inflammatory properties beneficial for conditions like acne and rosacea, and can inhibit tyrosinase to brighten skin and diminish hyperpigmentation by producing antioxidants such as ferulic acid and polyphenols. Fermented hydrolyzed soy protein enhances the bioavailability of isoflavones, providing potent antioxidant and immunomodulatory benefits, stimulating collagen production for improved firmness and elasticity, and effectively binding moisture. Catharanthus roseus seed extract (periwinkle) is instrumental in inhibiting and preventing skin aging processes, offering protection and nourishment against free radical damage. Its antioxidant, antibacterial, and antifungal properties may assist in managing acne and skin infections by reducing redness and swelling. Lastly, yeast extract stimulates cell regeneration and collagen synthesis, leading to improved skin elasticity. It delivers significant moisturizing effects, visibly reducing fine lines and wrinkles, and imparts anti-inflammatory and soothing benefits for irritated skin, while fortifying the skin's immune system and enhancing moisture retention through its richness in natural moisturizing factors (NMFs).
Research
Clinical Evidence
Medium confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
The Catharanthus roseus extract component within this blend is highly versatile for formulation, compatible with aqueous, alcoholic, or hydro-alcoholic solutions, creams, hydrophilic or lipophilic gels, oil-in-water or water-in-oil emulsions, aerosols, microgranules, powders, and vesicular dispersions, suggesting broad formulation flexibility for the overall ferment.
Safety
Safety Profile
The complete ingredient blend has not been specifically reviewed by CIR, SCCS, or FDA as a single entity. However, its individual components generally exhibit favorable safety profiles. The Lactobacillus Ferment component has been deemed 'safe as used in cosmetics' by CIR (June 2025 meeting), with reported use concentrations up to 5.6% in face and neck products. Yeast-derived ingredients are broadly recognized as safe (GRAS) by the FDA up to 5% for food applications. Glycerin is widely regarded as a safe cosmetic ingredient. While specific CIR/SCCS/FDA assessments for hydrolyzed soy protein or Catharanthus roseus seed extract in cosmetics were not found, soy is generally considered safe, and the Catharanthus roseus extract component is documented in a patent for cosmetic utility.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This multi-beneficial fermented blend offers comprehensive support for skin aging, barrier health, microbiome balance, and overall vitality, making it a valuable addition for a wide range of sophisticated skincare formulations.
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References
Sources
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