Pseudozyma Epicola/Camellia Sinensis Seed Oil Ferment Extract Filtrate

This ingredient is created by fermenting camellia sinensis (green tea) seed oil using Pseudozyma epicola, a naturally occurring yeast. The fermentation process breaks down the oil into smaller, more bioavailable components, which are then filtered to create a lightweight extract.The resulting filtrate functions as a skin and hair conditioning agent with humectant properties—meaning it can help draw moisture into the skin. It's relatively uncommon in skincare formulations, appearing in fewer than 1% of products.

The fermentation process creates compounds that are smaller and more easily absorbed than the original oil. These components can penetrate the outer layers of skin and help bind water molecules, supporting the skin's natural moisture retention without leaving a heavy residue.The conditioning effect comes from these fermented compounds' ability to smooth the skin's surface and reduce friction, which can improve texture and feel over time.

This ingredient is typically found in leave-on skincare products at low concentrations. Because it's a conditioning agent rather than an active treatment, consistency is more important than concentration—use it as part of your regular hydration routine. It works well in combination with other humectants and occlusives as part of a layered hydration approach.

Generally well-tolerated. However, fermented ingredients may pose a concern for those prone to fungal acne (malassezia), as yeasts can theoretically trigger sensitivity in this population—though data is limited.