Aspergillus/Saccharomyces/Gastrodia Elata Root Extract 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 23, 2025
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All information on this page is verified using publicly available nomenclature standards and reference materials from The Personal Care Products Council (PCPC) and the European Commission's CosIng database. Our analyses are based on technical data from these sources to ensure accuracy and reliability.

What Is Aspergillus/Saccharomyces/Gastrodia Elata Root Extract Ferment Filtrate?

Aspergillus/Saccharomyces/Gastrodia Elata Root Extract Ferment Filtrate comes from Gastrodia elata, a traditional East Asian herb prized for its calming and revitalising qualities. Cosmetic chemists take the root, create an aqueous extract, then let two friendly microorganisms, Aspergillus and Saccharomyces, ferment it. During fermentation the microbes break large plant molecules into smaller, more skin-friendly compounds such as amino acids, peptides, simple sugars and antioxidants. After the brew has reached the right profile, it is filtered to remove the microbes themselves, leaving a clear liquid rich in bioactive nutrients.

Fermentation technologies entered mainstream skincare in the early 2000s when Korean beauty brands looked for ways to make herbal ingredients gentler and more effective. They discovered that fermented Gastrodia extract not only kept the soothing character of the root but delivered it in a lighter texture that absorbed quickly. Since then this filtrate has shown up in hydrating essences, sheet masks, anti-ageing serums, brightening ampoules, calming creams and even scalp treatments that aim to balance stressed skin.

Aspergillus/Saccharomyces/Gastrodia Elata Root Extract Ferment Filtrate’s Cosmetic Benefits/Uses

This ingredient is valued mainly for one key role in skin care formulations: skin conditioning. By flooding the surface with easily absorbed nutrients and humectants, the filtrate helps skin attract and hold water, smooths rough patches and supports a soft comfortable feel. Regular use can improve overall texture, making the complexion look fresher and more supple while reducing visible signs of dryness or fatigue.

Who Can Use Aspergillus/Saccharomyces/Gastrodia Elata Root Extract Ferment Filtrate

This ferment filtrate is generally well tolerated by all major skin types, including dry, normal, combination, oily and sensitive skin, because its small-molecule nutrients sink in quickly without leaving heavy residue. People prone to severe fungal acne might prefer to patch test first since the ingredient is derived from a yeast fermentation, but finished products usually contain no live microorganisms so problems are rare.

The filtrate is plant sourced and no animal derivatives are involved in its production, making it suitable for vegans and vegetarians.

No data suggests specific risks for pregnant or breastfeeding women when using this ingredient topically at normal cosmetic levels, but this is not medical advice. Expecting or nursing mothers should review any skincare product with their doctor to be safe.

The filtrate does not increase photosensitivity, so it can be used day or night without raising sunburn risk. Standard sun protection is still recommended as part of any daytime routine.

Potential Side Effects/Adverse Reactions

Individual responses to topical Aspergillus/Saccharomyces/Gastrodia Elata Root Extract Ferment Filtrate can vary. The effects listed below are possible yet uncommon for most users when the ingredient is properly formulated.

  • Mild redness or stinging
  • Temporary itching or tightness on very sensitive skin
  • Allergic contact dermatitis in individuals sensitive to fermented plant extracts or residual proteins
  • Fungal acne flare in those extremely reactive to yeast-derived substances

If you experience any of these reactions stop using the product and seek advice from a healthcare professional or dermatologist.

Comedogenic Rating

Rating: 0/5

This ferment filtrate is a water-based mixture of tiny amino acids, peptides and sugars that leave no heavy oils or waxes on the skin. Because it lacks pore-clogging lipids and sits light on the surface, it earns the lowest possible score.

Suitable for acne-prone or breakout-prone skin.

As with most aqueous plant ferments, the final rating can shift if the finished product pairs the filtrate with richer emollients, so check the full ingredient list of any formula you are considering.

Summary

Aspergillus/Saccharomyces/Gastrodia Elata Root Extract Ferment Filtrate shines as a skin-conditioning agent that hydrates, softens and calms via a cocktail of easily absorbed nutrients created during fermentation. The breakdown of the root’s larger molecules into smaller ones lets the skin drink in moisture quickly while antioxidants help fend off daily environmental stress.

Although not as famous as niacinamide or hyaluronic acid, the filtrate has carved out a loyal following in K-beauty essences, masks and serums where a lightweight soothing boost is wanted.

Topically it is classed as low risk with few reported reactions. Still, everyone’s skin is unique so patch testing any new product featuring this ingredient is a wise step to keep your routine comfortable and trouble free.

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