Ganoderma Lucidum/Platycodon Grandiflorus Root Ferment Extract 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 27, 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 Ganoderma Lucidum/Platycodon Grandiflorus Root Ferment Extract Filtrate?

Ganoderma Lucidum/Platycodon Grandiflorus Root Ferment Extract Filtrate is a mouthful of a name for an ingredient created when the roots of the balloon flower (Platycodon grandiflorus) are fermented with reishi mushroom (Ganoderma lucidum). The process breaks down large plant molecules and releases smaller compounds like amino acids, beta glucans, sugars and minerals that skin can readily use. Both the root and the mushroom have long histories in East Asian herbal traditions, and their move into skincare followed the growing popularity of fermented ingredients in Korean beauty formulas.

To make the filtrate, harvested balloon flower roots are cleaned, crushed and steeped in water to form a plant broth. Reishi spores are then introduced and the mixture is left to ferment under controlled temperature and pH. After several days the brew is filtered to remove solids, leaving a clear liquid rich in skin friendly nutrients. Manufacturers blend this filtrate into products where lightweight hydration and soothing are desired.

You will most often spot it on the back of bottles for hydrating facial toners, sheet masks, calming serums, daily moisturizers, anti aging lotions and after sun gels. Because it is water soluble and gentle it pairs well with a wide range of actives and textures.

Ganoderma Lucidum/Platycodon Grandiflorus Root Ferment Extract Filtrate’s Cosmetic Benefits/Uses

This fermented filtrate pulls triple duty in skincare formulas

  • Humectant – attracts water from the environment and from deeper layers of skin to the surface so skin feels immediately refreshed and looks plumper
  • Skin conditioning – supplies nourishing sugars amino acids and antioxidants that help soften rough patches even out texture and support a healthy skin barrier
  • Emollient – smooths the space between skin cells creating a softer more flexible feel while reducing the appearance of fine lines caused by dryness

Who Can Use Ganoderma Lucidum/Platycodon Grandiflorus Root Ferment Extract Filtrate

This ferment filtrate is generally well tolerated by all skin types. Its lightweight water base suits oily and combination skin while the humectant sugars help bind moisture for dry or mature skin. Sensitive skin usually benefits from its soothing properties, though anyone with a known mushroom or balloon flower allergy should proceed carefully because the ingredient is derived from both.

The filtrate is sourced from plant roots and fungi with no animal by-products so it is considered suitable for vegans and vegetarians.

There is no research suggesting that topical use poses specific risks for women who are pregnant or breastfeeding. Still this is not medical advice and anyone expecting or nursing should run any skincare product past a qualified healthcare professional to be safe.

Ganoderma Lucidum/Platycodon Grandiflorus Root Ferment Extract Filtrate does not increase photosensitivity so it can be used day or night without making skin more prone to sunburn. Standard daytime sun protection practices still apply.

Potential Side Effects/Adverse Reactions

Reactions to topical use of Ganoderma Lucidum/Platycodon Grandiflorus Root Ferment Extract Filtrate vary from person to person. The following are potential side effects and are unlikely to represent the typical user experience when the ingredient is formulated and used correctly.

  • Allergic contact dermatitis – rare itching, redness or swelling in people sensitive to fungi or balloon flower components
  • Mild stinging or warmth – temporary as skin adjusts, usually subsides quickly
  • Exacerbation of existing fungal sensitivities – those with a history of reishi mushroom allergy may notice localized irritation
  • Ingredient instability in very low pH formulas – can lead to breakdown that might trigger minor irritation for some users

If any irritation, rash or discomfort occurs stop using the product and consult a healthcare professional.

Comedogenic Rating

Rating: 0-1. This filtrate is almost entirely water and low-molecular-weight sugars with no heavy oils or waxes that could clog pores. Its primary role is to pull moisture into skin rather than sit on the surface, so the likelihood of blocking follicles is minimal. As a result it is generally suitable for people prone to acne or breakouts.

Comedogenicity can still rise if the filtrate is blended with richer plant butters or occlusive agents in a finished formula, so always consider the whole ingredient list of a product.

Summary

Ganoderma Lucidum/Platycodon Grandiflorus Root Ferment Extract Filtrate works as a humectant by drawing water into the upper layers of skin, as a skin-conditioning agent by supplying amino acids beta glucans and antioxidants, and as a mild emollient that smooths rough texture. These effects come from the breakdown of root and mushroom compounds during fermentation which makes them easier for skin to absorb.

While it is not yet a household name it is gaining traction in Korean beauty lines and slowly appearing in global hydrators, toners and soothing serums as brands look for fermented actives that feel lightweight.

Topically it shows a strong safety profile with very few reported issues. Still everyone’s skin is unique so perform a simple patch test whenever trying a new product that features this ingredient to confirm personal compatibility.

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