Sparassis Crispa Extract
INCI: SPARASSIS CRISPA EXTRACT
Reviewed by Emma · Last updated 18 Aug 2026
A mushroom-derived extract that supports skin hydration and conditioning
Best For Skin Types
All, Dry, Mature
Addresses
Usage Frequency
Daily
What Is Sparassis Crispa Extract?
Sparassis crispa extract comes from a species of edible mushroom, sometimes referred to as cauliflower mushroom or brain mushroom. The extract is rich in polysaccharides and bioactive compounds, including exosome-like nanovesicles that may facilitate communication between skin cells.
In skincare formulations, this ingredient functions as a humectant and skin conditioner. It helps to draw moisture into the skin and support the skin's natural moisture-retention capacity, making it particularly useful in hydrating and moisturising products.
How It Works
Sparassis crispa extract contains polysaccharides that function as humectants, drawing water from the environment and deeper skin layers to the surface. The extract may also stimulate the expression of genes involved in hyaluronic acid production and aquaporin 3 (a water-channel protein), which could enhance the skin's intrinsic ability to maintain hydration.
The exosome-like nanovesicles within the extract may facilitate intercellular communication, potentially supporting the skin's natural moisturising and structural processes.
Clinical Evidence & References
In vitro research suggests that Sparassis crispa polysaccharides can upregulate genes associated with moisturising function, including those responsible for hyaluronic acid synthesis. This indicates a potential mechanism for enhancing skin hydration at the cellular level, though human clinical evidence remains limited.
Studies examining the extract's effect on collagen expression are ongoing. The evidence base is small, so whilst the ingredient shows promise as a conditioning and hydrating agent, larger-scale human studies would help clarify its efficacy in finished skincare products.
How to Use
Sparassis crispa extract is typically found in low concentrations (often well under 1%) within hydrating serums, moisturisers and conditioning treatments. It works well in combination with other humectants such as glycerol or hyaluronic acid, and can be used daily as part of a routine hydration strategy.
Safety & Precautions
Frequently Asked Questions
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