Lactobacillus/Sorbus Commixta Branch Ferment Filtrate: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: July 1, 2025
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We verify all information on this page using publicly available nomenclature standards from The Personal Care Products Council (PCPC), the European Commission's CosIng database and documentation provided directly by ingredient manufacturers. Our analysis is based on technical data from these sources to ensure accuracy and reliability.

What Is Lactobacillus/Sorbus Commixta Branch Ferment Filtrate?

Lactobacillus/Sorbus Commixta Branch Ferment Filtrate is a fermented extract made from the branches of the Japanese rowan tree (Sorbus commixta). During fermentation the probiotic microorganism Lactobacillus breaks down plant material, releasing a mix of organic acids, peptides, antioxidants and moisture-binding sugars. These small, skin-friendly molecules are easier for topical formulas to deliver than the raw plant itself.

Fermented botanicals first gained attention in Asian beauty products where traditional food fermentation inspired gentler, more bioavailable skincare ingredients. As formulators looked for natural ways to soothe and hydrate skin this filtrate moved from niche brands into mainstream masks, serums, moisturizers, essences and after-sun or anti-aging treatments.

Production begins with sustainably harvested branches that are cleaned, milled and soaked in a water medium. A selected Lactobacillus strain is introduced, and the mixture is kept at a controlled temperature until fermentation is complete. The liquid is then finely filtered to remove solids, leaving a clear, lightweight filtrate ready for use in cosmetic formulations.

The ingredient is prized for adding a plant-derived, probiotic-enhanced touch to products that aim to calm, soften and improve overall skin feel.

Lactobacillus/Sorbus Commixta Branch Ferment Filtrate’s Cosmetic Benefits/Uses

When added to skincare formulas this fermented filtrate supports skin comfort and texture in the following ways:

  • Skin Conditioning: Supplies antioxidants and hydrating sugars that help the skin look smoother, feel softer and recover from daily stressors
  • Emollient: Forms a light, breathable layer that reduces moisture loss and leaves the surface supple without greasiness

Who Can Use Lactobacillus/Sorbus Commixta Branch Ferment Filtrate

This gentle fermented extract is suitable for most skin types including dry, normal, combination, oily and sensitive because it is water-light, non greasy and low in potential irritants. Extremely reactive skin or anyone with a known allergy to rowan tree derivatives should proceed with extra caution.

The ingredient is produced from plant material and a probiotic microorganism, with no animal derivatives involved, so it fits vegan and vegetarian lifestyles.

No data suggests the filtrate poses a risk during pregnancy or while breastfeeding. Still, this is not medical advice and anyone who is pregnant or nursing should review every skincare product with a qualified healthcare provider to be on the safe side.

Lactobacillus/Sorbus Commixta Branch Ferment Filtrate is not known to increase sun sensitivity and can be used morning or night without special UV precautions beyond the daily sunscreen already recommended.

Potential Side Effects/Adverse Reactions

Responses to any cosmetic ingredient vary from person to person. The issues listed below are possible yet uncommon when the filtrate is formulated and used correctly.

  • Mild redness or stinging in very sensitive skin
  • Allergic contact dermatitis in individuals allergic to rowan tree components or fermentation by-products
  • Temporary itching or warmth on compromised or freshly exfoliated skin
  • Rare acne-like breakouts if combined with heavy occlusive bases that trap oil and bacteria

If you notice persistent discomfort, rash or any worsening of symptoms stop using the product and seek guidance from a healthcare professional.

Comedogenic Rating

Rating: 1 (very low)
Lactobacillus/Sorbus Commixta Branch Ferment Filtrate is a light water based extract with no heavy oils or waxes so it has little chance of blocking pores. Any slim risk comes from the natural sugars that could feed surface bacteria if a formula is left on very sweaty skin for long periods. Overall it is considered friendly for those prone to acne or breakouts. Keep in mind that a product’s full recipe matters; if the filtrate is blended with rich butters or silicones the final product could feel heavier.

Summary

Lactobacillus/Sorbus Commixta Branch Ferment Filtrate conditions skin by delivering gentle hydration, soothing antioxidants and a soft emollient feel thanks to molecules released during Lactobacillus fermentation. It is still a niche ingredient most often seen in K-beauty style essences and masks but its natural probiotic backstory is drawing interest from wider brands looking for clean label actives.

Current data shows it is safe for regular use with low odds of irritation or pore clogging for most skin types. As with any new skincare step it is smart to patch test a fresh product first to be sure your skin agrees with the complete formula.

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