What Is Lactobacillus/Phaseolus Radiatus Seed Ferment Filtrate?
Lactobacillus/Phaseolus Radiatus Seed Ferment Filtrate is a skin-friendly liquid that comes from fermenting mung bean seeds (Phaseolus radiatus) with the probiotic microorganism Lactobacillus. During fermentation the bean’s proteins, sugars and antioxidants are broken down into smaller, more usable parts like peptides, amino acids and simple sugars. This creates a lightweight filtrate that skin can absorb with ease.
Mung beans have been eaten and used in folk beauty rituals for centuries because of their soothing and antioxidant traits. Modern cosmetic chemists took that traditional knowledge and paired it with Lactobacillus fermentation, a process well known in food and skincare for boosting bioavailability and mild preservative power. By filtering out the solid pieces after fermentation, makers keep the water-based nutrients while removing any grit or large particles.
The ingredient is produced in a controlled lab setting. First, clean mung bean seeds are soaked and blended into a slurry. The slurry is then inoculated with a carefully selected Lactobacillus strain and left to ferment under warm, oxygen-limited conditions. Once the desired activity level is reached, the mix is filtered, creating a clear or slightly hazy liquid that can be added to cosmetic formulas.
You will often spot Lactobacillus/Phaseolus Radiatus Seed Ferment Filtrate in hydrating serums, lightweight moisturizers, calming face masks, daily lotions and anti-aging blends that aim to smooth texture and support a balanced skin barrier.
Lactobacillus/Phaseolus Radiatus Seed Ferment Filtrate’s Cosmetic Benefits/Uses
This fermented bean filtrate is mainly valued for its skin conditioning ability. By delivering small, easily absorbed nutrients it helps skin feel softer, appear smoother and stay better hydrated. The natural peptides and sugars attract water to the surface while antioxidants from the mung bean support the skin’s defense against everyday stress. Altogether it leaves the complexion looking refreshed and comfortable, making it a useful addition to both simple and advanced skincare formulas.
Who Can Use Lactobacillus/Phaseolus Radiatus Seed Ferment Filtrate
This gentle ferment suits most skin types including dry, oily, combination and sensitive skin because it is lightweight, water based and non greasy. Its humectant sugars draw in moisture without leaving a heavy film so even acne-prone skin usually tolerates it well. People with a known allergy to mung beans or other legumes should approach with caution as the filtrate still contains small bean-derived compounds that could trigger a reaction.
The ingredient is vegan and vegetarian friendly. It comes from plant seeds and a probiotic bacteria culture with no animal derived inputs so it aligns with cruelty-free and plant based lifestyles.
Current safety data show no specific risks for pregnant or breastfeeding women when the filtrate is used topically in standard cosmetic concentrations. Still, this is not medical advice and anyone who is pregnant or nursing should review any skincare product with a healthcare professional to be extra sure.
Lactobacillus/Phaseolus Radiatus Seed Ferment Filtrate does not make skin more sensitive to sunlight. Normal daytime sun protection habits are sufficient.
Potential Side Effects/Adverse Reactions
Responses to topical Lactobacillus/Phaseolus Radiatus Seed Ferment Filtrate vary from person to person. The points below list potential but uncommon side effects. When formulated and preserved correctly most users experience none of these issues.
- Transient tingling or mild warmth minor sensation that usually fades quickly as skin adjusts
- Redness or irritation can occur if the skin barrier is already compromised or if the product contains additional active ingredients that intensify the effect
- Allergic contact dermatitis a rare possibility, more likely in individuals with legume allergies
- Breakouts unlikely but possible if the overall formula is too rich or occlusive for the user’s skin type
- Unpleasant odor development may happen if the finished product becomes contaminated and the ferment continues to break down
If any persistent discomfort, rash or other negative reaction develops stop using the product and consult a healthcare professional.
Comedogenic Rating
Rating: 0–1 (non to very low comedogenic potential)
This filtrate is water based, lightweight and virtually oil free so it does not clog pores under normal use. The fermentation process breaks down bean components into small soluble molecules that rinse or absorb without leaving residue. Because it lacks heavy butters, waxes or large fatty acids, the risk of pore blockage is minimal.
Suitable for acne-prone or breakout-prone skin.
Formulas that pair this ferment with rich occlusives could still trigger congestion, so check the complete ingredient list of the final product.
Summary
Lactobacillus/Phaseolus Radiatus Seed Ferment Filtrate conditions skin by delivering humectant sugars, soothing peptides and natural antioxidants that boost hydration, smooth texture and support the barrier. The Lactobacillus fermentation step chops big bean molecules into smaller pieces the skin can easily use while adding mild preservative and pH balancing benefits.
While not yet a household name, the ingredient is gaining traction in modern serums and gels, especially in K-beauty and clean beauty circles where gentle fermented actives are appreciated.
Current research and cosmetic usage show this ferment is safe for topical use with very low irritation or comedogenic risk. As with any new skincare product, patch testing is a smart way to spot personal sensitivities before full-face application.