What Is Lactobacillus/Phaseolus Coccineus Seed Extract Ferment Filtrate?
Lactobacillus/Phaseolus Coccineus Seed Extract Ferment Filtrate is a plant based ferment made by treating scarlet runner bean seeds (Phaseolus coccineus) with the probiotic bacterium Lactobacillus. During fermentation the beans’ proteins and sugars are broken down into smaller peptides, amino acids and other skin friendly nutrients that are then separated from the solids through gentle filtration, leaving a clear liquid rich in antioxidants, moisturising sugars and soothing compounds.
Fermented botanical extracts gained attention in East Asian skin care during the early 2000s because the process can boost the bioavailability of nutrients while lowering the risk of irritation. Brands soon adopted this bean ferment for its lightweight feel and conditioning power, especially in products aimed at sensitive or mature skin.
You will commonly spot Lactobacillus/Phaseolus Coccineus Seed Extract Ferment Filtrate in hydrating serums, daily moisturisers, sheet masks, anti aging creams, calming essences and post sun treatments where its mild, nourishing profile pairs well with other actives.
Lactobacillus/Phaseolus Coccineus Seed Extract Ferment Filtrate’s Cosmetic Benefits/Uses
This ingredient serves one main purpose in topical formulas, yet that single role offers several noticeable perks for the skin.
Skin conditioning: The ferment delivers lightweight hydration thanks to its natural sugars and amino acids, helping the skin hold on to water and feel smoother. The peptides and antioxidant compounds support the skin barrier, soften rough patches and promote a healthier look, making the extract a useful addition to products designed for replenishing moisture, soothing sensitivity and enhancing overall skin comfort.
Who Can Use Lactobacillus/Phaseolus Coccineus Seed Extract Ferment Filtrate
This bean ferment is generally well tolerated by all skin types. Dry and sensitive skin benefit from its soothing hydration while normal and combination skin appreciate its light, non-greasy texture. Oily or acne-prone complexions tend to handle it well because the filtrate itself is not pore-clogging. Anyone with a known legume allergy should approach with caution since the source material is the scarlet runner bean.
The ingredient is suitable for vegetarians and vegans as it is derived from plants and fermented with Lactobacillus bacteria, not animal tissue or by-products.
No data indicates special restrictions for pregnant or breastfeeding women when the ferment is used topically in cosmetic concentrations. This text is not medical advice; expecting or nursing mothers should show the full product ingredient list to their healthcare provider to be safe.
Lactobacillus/Phaseolus Coccineus Seed Extract Ferment Filtrate does not increase photosensitivity, so there is no added need for sun avoidance beyond normal SPF use.
Potential Side Effects/Adverse Reactions
Reactions to topical Lactobacillus/Phaseolus Coccineus Seed Extract Ferment Filtrate vary from person to person. The points below cover potential side effects but most users will not experience them when the ingredient is formulated and used correctly.
- Mild stinging or tingling on very compromised or freshly exfoliated skin
- Transient redness or warmth, usually short-lived
- Contact dermatitis in individuals allergic to legumes or specific preservatives used alongside the ferment
- Rare breakout flare-ups if a formula containing the ferment also includes heavier occlusive agents that trap oil in pores
If any of these effects occur stop using the product and consult a medical professional if irritation persists or worsens.
Comedogenic Rating
Rating: 0–1. Lactobacillus/Phaseolus Coccineus Seed Extract Ferment Filtrate is a water-based ferment with virtually no lipids, waxes or heavy esters, so it is highly unlikely to sit in pores or create blockages. The low molecular weight peptides and sugars are readily soluble and rinse away cleanly, leaving little residue on the skin.
Suitable for acne-prone or breakout-prone skin because it does not contribute to pore congestion.
Formulas that pair the ferment with rich butters or occlusive oils could still feel heavy, so check the full ingredient list if you are particularly sensitive to thick textures.
Summary
Lactobacillus/Phaseolus Coccineus Seed Extract Ferment Filtrate conditions the skin by supplying lightweight hydration, barrier-supporting peptides and antioxidants created during fermentation. These components help the skin retain water, soothe irritation and look smoother.
While not yet a mainstream superstar the ingredient has a steady following among K-beauty and clean beauty brands thanks to its gentle profile and compatibility with sensitive skin.
Topical use is considered very safe with a low risk of irritation unless you have a legume allergy. As with any new cosmetic ingredient it is sensible to patch test a product before full-face application to make sure your skin agrees with it.