Lactobacillus ferment lysate is a lysed fraction of Lactobacillus fermentation containing cellular components and metabolites. It conditions skin and supports a hydrated, supple sensation in leave-on and rinse-off products.
Not typically evaluated for comedogenicity — no standardized rating available.
Our take
Is Lactobacillus Ferment Lysate a Good Ingredient?
Rated Good because this more defined lysate fraction tends to be consistent and is supported by cosmetic-use data for improving skin feel and hydration, with generally low irritation potential. It's not universally effective, but it performs reliably in well-formulated products, enough for a solid Good.
What it does
Skin Benefits
Can improve smoothness and reinforce the look of skin resilience for a healthier appearance, with supportive cosmetic-use data.
Where you'll find it
Uses in Skincare & Cosmetics
Common in leave-on treatments like serums and creams, and also in gentle cleansers to help maintain comfort after washing.
Before you use it
Safety
Considered low risk for most users and typically non-irritating. As with any new ingredient, patch test if you have sensitive skin.