Pediococcus/Gynostemma Pentaphyllum 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 Pediococcus/Gynostemma Pentaphyllum Ferment Filtrate?

Pediococcus/Gynostemma Pentaphyllum Ferment Filtrate comes from fermenting the climbing herb Gynostemma pentaphyllum, also known as jiaogulan, with the probiotic bacterium Pediococcus. Once fermentation is complete the mixture is carefully filtered, leaving a clear liquid rich in skin friendly compounds like peptides, amino acids, antioxidants and polysaccharides. Jiaogulan has a long history in East Asian herbal traditions as a vitality booster, and the beauty industry began exploring it when Korean formulators popularised fermented botanicals for their increased bioavailability and gentleness. Today labs soak the plant in a nutrient solution, introduce Pediococcus, control temperature and pH for several days, then separate solids to obtain the light ferment filtrate used in cosmetics. You will most often spot it in hydrating serums, soothing sheet masks, anti-aging creams, lightweight moisturisers and after-sun gels where a calm, conditioned feel is desired.

Pediococcus/Gynostemma Pentaphyllum Ferment Filtrate’s Cosmetic Benefits/Uses

This ingredient serves one main purpose in skincare formulas.

As a skin-conditioning agent it helps draw moisture to the surface, softens rough patches, supports the skin barrier with its mix of amino acids and sugars, and brings antioxidant activity that can minimise the look of early ageing signs. The result is smoother, calmer and better hydrated skin that feels comfortable throughout the day.

Who Can Use Pediococcus/Gynostemma Pentaphyllum Ferment Filtrate

This ferment filtrate is considered friendly for nearly all skin types including dry, normal, combination, oily and sensitive skin. Its lightweight water-like texture sinks in fast so it rarely feels greasy or heavy on oilier complexions while the humectant sugars and amino acids supply comfort to drier areas.

Because it is made from a plant and a probiotic bacterium with no animal-derived additives, it aligns with vegan and vegetarian lifestyles.

No specific contraindications are known for pregnant or breastfeeding women, yet research on this exact ferment is limited. This information is not medical advice and anyone expecting or nursing should run their full skincare routine past a qualified health professional to be on the safe side.

The ferment does not make skin more sensitive to the sun so it is fine for daytime wear when paired with a regular broad-spectrum sunscreen.

It layers well with common actives like niacinamide, vitamin C and retinoids since it is non-acidic and generally soothing.

Potential Side Effects/Adverse Reactions

Responses to topical Pediococcus/Gynostemma Pentaphyllum Ferment Filtrate can differ from person to person. The effects listed below are only potential issues and are unlikely for most users when the ingredient is properly formulated and preserved.

  • Mild stinging or tingling on very compromised or freshly exfoliated skin
  • Temporary redness or warmth in individuals with highly reactive skin
  • Allergic reaction to plant proteins or fermentation by-products resulting in itching or hives
  • Contact dermatitis if the product contains additional sensitising preservatives or fragrances
  • Pustules or breakouts if the formula is contaminated or if someone has a specific sensitivity to probiotics

If any uncomfortable reaction develops stop using the product and consult a healthcare professional or dermatologist.

Comedogenic Rating

0. Pediococcus/Gynostemma Pentaphyllum Ferment Filtrate is a water-light, oil-free liquid that relies on small humectant molecules, peptides and sugars rather than greasy lipids. Because it lacks pore-clogging fats or heavy silicones, it sits on skin without forming a thick film that could trap sebum or debris. The ingredient is therefore considered non-comedogenic and is generally suitable for people who are prone to acne or breakouts. If a product with this ferment ever does trigger congestion it is usually due to other richer ingredients in the formula, not the ferment itself.

Summary

Pediococcus/Gynostemma Pentaphyllum Ferment Filtrate works as a skin-conditioning agent that hydrates, soothes and supplies antioxidants. Fermentation breaks down the plant’s natural compounds into smaller pieces that are easier for skin to use, letting the amino acids, peptides and polysaccharides attract water and support the barrier while neutralising some free radicals.

It is not the most talked-about extract on the market, yet it has gained quiet popularity in K-beauty style serums and masks where a gentle, hydrating ferment fits the minimalist trends many consumers now prefer.

Current data and real-world use suggest the filtrate is very safe with a low risk of irritation for most skin types. As with any new skincare ingredient it is wise to patch test a fresh product on a small area first to make sure your individual skin agrees with it.

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