Ceriporia Lacerata/Potato Starch/Defatted Soybean 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: June 24, 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 Ceriporia Lacerata/Potato Starch/Defatted Soybean Ferment Filtrate?

Ceriporia Lacerata/Potato Starch/Defatted Soybean Ferment Filtrate is a skin care ingredient that comes from a gentle fermentation process. It begins with potato starch and defatted soybean meal, both rich in natural sugars and proteins. These plant materials are introduced to Ceriporia lacerata, a friendly fungus often found in woodlands. During fermentation the microorganism breaks the starches and proteins into smaller molecules like peptides, amino acids and simple sugars while also producing antioxidant compounds. After the brew has reached the right point it is filtered so only the light liquid, or filtrate, is kept then it is carefully preserved for use in cosmetics.

Fermented plant extracts have been prized in traditional beauty routines for centuries and gained global attention through the rise of Korean and Japanese skin care. This particular filtrate joined modern formulas when brands looked for natural multitaskers that hydrate and defend the skin at the same time.

You will most often spot Ceriporia Lacerata/Potato Starch/Defatted Soybean Ferment Filtrate in hydrating serums, sheet masks, lightweight moisturizers, anti-aging creams, soothing after-sun gels and brightening essences where it supports soft smooth skin without heaviness.

Ceriporia Lacerata/Potato Starch/Defatted Soybean Ferment Filtrate’s Cosmetic Benefits/Uses

This fermented filtrate offers several skin friendly actions that make it a handy addition to many formulas:

  • Antioxidant: Helps neutralize free radicals produced by sun exposure and pollution which can lead to dullness and early lines so the skin looks fresher for longer
  • Humectant: Draws water from the air and deeper skin layers to the surface boosting hydration levels giving a plump dewy feel and improving the spreadability of creams and gels
  • Skin Conditioning: Supplies small peptides and sugars that smooth the skin surface enhance softness and improve overall texture which can make makeup sit better

Who Can Use Ceriporia Lacerata/Potato Starch/Defatted Soybean Ferment Filtrate

This ferment filtrate is generally well suited to all skin types. Dry or dehydrated skin benefits from its humectant effect while sensitive complexions appreciate its gentle plant-based origin and low chance of stinging. Oily or combination skin can also use it because the ingredient itself is lightweight and non-greasy, though the overall formula it appears in should still be checked for pore-clogging oils. People with confirmed soy allergies should approach carefully since the source material is soybean; even though proteins are broken down during fermentation trace allergens could remain.

The ingredient is produced from potatoes, defatted soybeans and a filamentous fungus so it contains no animal-derived matter. That makes it suitable for both vegans and vegetarians as long as the finished product avoids animal testing and other animal inputs.

No specific warnings are attached to pregnancy or breastfeeding; the filtrate is not known to penetrate deeply or act hormonally. Still this is not medical advice and anyone who is pregnant or nursing should run new skin care products past a qualified health professional to be safe.

Ceriporia Lacerata/Potato Starch/Defatted Soybean Ferment Filtrate does not increase photosensitivity, so daily SPF use stays important for general skin health rather than because of this ingredient. It can be layered comfortably with common actives like niacinamide, hyaluronic acid and gentle exfoliating acids without reported conflicts.

Potential Side Effects/Adverse Reactions

Responses to topical Ceriporia Lacerata/Potato Starch/Defatted Soybean Ferment Filtrate vary from person to person. The points below outline potential issues yet they are uncommon when the ingredient is used at standard cosmetic levels within a well-formulated product.

  • Allergic reaction in individuals sensitive to soy leading to itching or hives
  • Localized redness or burning if the product contains a very high concentration of the filtrate or other irritating co-ingredients
  • Breakouts in acne-prone skin when the filtrate is delivered in a rich occlusive base
  • Eye stinging or watering if the product accidentally migrates into the eyes
  • Rare microbial contamination in poorly preserved products potentially causing folliculitis or rash

If any irritation swelling or other negative change occurs stop using the product immediately and consult a healthcare professional.

Comedogenic Rating

Rating: 1/5 – The filtrate is water based, light and contains no heavy oils or waxes that would easily block pores. Its main components are small peptides, sugars and water soluble antioxidants, all of which rinse away cleanly and sit lightly on the skin. Any risk of congestion usually comes from the rest of the formula rather than the ingredient itself.

Suitability for acne-prone skin: generally safe for those who break out easily, provided the overall product is free of pore-clogging additives.

Keep in mind that fermented extracts can slightly lower the pH of a formula which some people with very reactive skin find helpful while others may need to balance with a gentle moisturizer.

Summary

Ceriporia Lacerata/Potato Starch/Defatted Soybean Ferment Filtrate acts as an antioxidant, humectant and skin-conditioning agent. Fermentation breaks potato starch and soybean proteins into smaller molecules that attract water, smooth texture and mop up free radicals so the skin feels hydrated, soft and protected from environmental stress.

Although not yet a household name, the filtrate is gaining quiet popularity in K-beauty inspired serums, masks and lightweight creams because it delivers multiple benefits without heaviness or animal derivatives.

Overall safety is high with low irritation potential aside from possible soy sensitivity. As with any new cosmetic ingredient it is wise to patch test a product first to confirm personal compatibility.

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