Buttermilk Extract Powder
INCI: BUTTERMILK EXTRACT POWDER
Reviewed by Rosie · Last updated 2 Jun 2026
Also known as: Buttermilk Extract Powder
A milk-derived ingredient that supports skin barrier function and hydration
Best For Skin Types
All, Dry, Sensitive, Mature
Addresses
Effective Concentrations
1%
Usage Frequency
Daily
What Is Buttermilk Extract Powder?
Buttermilk extract powder is derived from buttermilk, the liquid byproduct of butter production. It contains a concentrated mix of bioactive compounds including sphingolipids (such as sphingomyelin and ceramides), proteins, and lactic acid. When processed into powder form, these components remain stable and can be incorporated into skincare formulations.
In cosmetic products, buttermilk extract functions primarily as a skin conditioner and humectant, helping to support the skin's natural moisture balance. It also provides antioxidant and emollient properties, making it useful in both face and body care formulations.
Benefits for Your Skin
How It Works
Buttermilk extract contains sphingolipids and ceramide-like compounds that are structurally similar to those found naturally in the skin's outer barrier layer (the stratum corneum). When applied topically, these lipids are believed to integrate into the barrier, helping to seal in moisture and reduce water loss from the skin.
The ingredient also contains lactic acid and proteins that contribute to its humectant and conditioning properties. Together, these components work to improve the skin's water-holding capacity and overall hydration status.
Clinical Evidence & References
Clinical research on buttermilk extract has demonstrated improvements in skin hydration and water-holding capacity when used in formulations. One study examining a milk sphingolipid-enriched fraction from buttermilk powder showed that a cream containing 1% of this fraction significantly increased skin's ability to retain water compared to a base cream without the ingredient.
Evidence is currently limited to a small number of studies, so further research would help clarify the ingredient's full potential and optimal concentration ranges for different skin concerns. The barrier-support properties are promising, but more extensive clinical data would strengthen current understanding.
How to Use
Buttermilk extract powder is typically found in creams, serums, and moisturisers rather than as a standalone product. It can be used daily as part of your regular skincare routine. If you're introducing it for the first time, particularly if you have sensitive skin, patch test first to ensure compatibility. It works well in combination with other hydrating and barrier-support ingredients.
Safety & Precautions
Frequently Asked Questions
From the Clinic
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