Humectant

Tremella Fuciformis Fruiting Body Extract

INCI: TREMELLA FUCIFORMIS FRUITING BODY EXTRACT

Reviewed by Kate · Last updated 2 Jun 2026

A mushroom-derived humectant that helps skin retain moisture

Best For Skin Types

All, Dry, Combination, Sensitive

Addresses

Dryness, Hydration, Dehydration

Effective Concentrations

0.5-2%

Usage Frequency

Daily

What Is Tremella Fuciformis Fruiting Body Extract?

Tremella fuciformis, commonly known as snow fungus or white jelly mushroom, is a polysaccharide-rich extract derived from the fruiting body of this edible fungus. In skincare, it functions primarily as a humectant—a water-binding ingredient that draws moisture from the environment and deeper skin layers to the surface.

The extract contains natural polysaccharides and proteins that can absorb and hold significant amounts of water, making it useful in formulations designed to improve skin hydration and comfort.

How It Works

Tremella fuciformis extract works through its polysaccharide content, which has a strong affinity for water molecules. When applied to skin, these polysaccharides draw moisture from the dermis and ambient air to the stratum corneum, temporarily improving skin hydration and plumpness.

This mechanism is similar to other humectants like glycerin, though Tremella's larger molecular structure may mean the hydration effect is more surface-level and temporary compared to smaller humectants.

Clinical Evidence & References

Published clinical research on Tremella fuciformis extract in skincare is limited. Most evidence comes from traditional use in Asian skincare and cosmetic formulation studies rather than rigorous clinical trials in humans.

Preliminary data suggest the extract can enhance skin moisture content, but robust, peer-reviewed studies comparing it directly to established humectants like glycerin or hyaluronic acid are lacking. It appears to be well-tolerated in formulations, though individual response may vary.

How to Use

Tremella fuciformis extract is most effective when used in hydrating serums, essences, or moisturisers. Apply to damp skin immediately after cleansing to maximise water absorption. It pairs well with occlusive ingredients (like ceramides or oils) to seal in the hydration it helps attract. For best results, use consistently as part of your daily routine.

Safety & Precautions

Tremella fuciformis extract is generally well-tolerated and considered safe for topical use. Those with fungal sensitivities should patch test first, though allergic reactions are rare.

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