Pholiota Microspora Fruiting Body Extract: 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
Share:
Inside this article:

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 Pholiota Microspora Fruiting Body Extract?

Pholiota Microspora Fruiting Body Extract comes from the edible mushroom often called nameko, widely enjoyed in Japanese cuisine. The extract is taken from the fruiting body, the part of the fungus we recognize as the mushroom itself. Rich in natural sugars, amino acids and beta glucans, it offers moisture-binding and soothing properties that make it attractive for skin care.

Interest in mushroom-derived ingredients picked up in the 1990s when Asian beauty brands began exploring traditional foods for modern cosmetic use. Pholiota microspora gained attention for its ability to hold water and calm the skin, leading formulators to include it in hydrating products. Today the extract is usually obtained by harvesting cultivated mushrooms, drying them, then using water or a gentle solvent to pull out the active compounds. The liquid is filtered and concentrated to create a stable cosmetic grade ingredient.

You will most often spot Pholiota Microspora Fruiting Body Extract in hydrating masks, daily moisturizers, soothing toners, anti-aging serums and after-sun treatments where extra moisture and skin comfort are desired.

Pholiota Microspora Fruiting Body Extract’s Cosmetic Benefits/Uses

This mushroom extract brings two main benefits to topical formulas.

  • Humectant: Attracts and binds water from the environment and deeper skin layers, boosting immediate hydration and giving skin a plumper, smoother look
  • Skin conditioning: Helps soften and calm the skin surface, improving overall feel and supporting a healthy moisture barrier

Who Can Use Pholiota Microspora Fruiting Body Extract

This extract is gentle and lightweight making it a good fit for nearly every skin type. Dry and dehydrated skin benefit most from its humectant action while oily and combination skin appreciate added hydration that does not feel greasy. Sensitive skin generally tolerates it well because the mushroom’s beta glucans have soothing properties. There are no known reasons it would be unsuitable for mature or teen skin.

Because the ingredient comes from a cultivated edible mushroom and no animal by-products are involved in its processing it is considered suitable for vegans and vegetarians.

Current research shows no specific risks for pregnant or breastfeeding women when the extract is applied topically at typical cosmetic levels. Still this is not medical advice and anyone who is pregnant or nursing should check with a healthcare professional before adding new skincare products.

The extract does not make skin more sensitive to sunlight so it is not classed as photosensitising. Standard daytime sun protection habits are all that is needed.

Potential Side Effects/Adverse Reactions

Reactions to topical Pholiota Microspora Fruiting Body Extract vary from person to person. The points below outline potential but uncommon issues. When formulated and used correctly most people will not notice any of these effects.

  • Mild redness or warmth on very reactive skin
  • Itching or tingling in individuals with mushroom allergies
  • Temporary tight feeling if applied in a high concentration without an occlusive moisturizer

If any irritation or unexpected reaction occurs discontinue use and seek advice from a qualified healthcare provider.

Comedogenic Rating

Rating: 0–1

Pholiota Microspora Fruiting Body Extract is made up mostly of water-soluble sugars and beta glucans that do not block pores. It lacks heavy oils or waxes that tend to sit on the skin and trap sebum, so the chance of it causing clogged pores is very low.

Suitable for acne-prone skin, including those who experience regular breakouts.

No known interactions with common acne treatments, and it can be layered under lightweight gels or spot treatments without adding extra grease.

Summary

Pholiota Microspora Fruiting Body Extract acts as a humectant and skin-conditioning agent. Its natural sugars pull water into the outer layers of skin while beta glucans calm and soften the surface, helping keep the moisture barrier healthy.

It is still a niche ingredient compared with big-name hydrators like hyaluronic acid, yet interest is growing as brands look for plant-based options that feel light and soothing.

Topical use is considered very safe with few reported reactions. As with any new skincare product perform a quick patch test before full use to be sure your skin agrees with it.

Was this article helpful?
More from Glooshi:
ADVERTISEMENT
Get all our top headlines in beauty.
Delivered right to your inbox each week. Zero spam, all goodness, opt-out at anytime.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Get the latest beauty news, top product recommendations & brand-exclusive discount codes direct to your inbox.
Send good feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Send bad feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Search