Lactococcus Ferment Extract
Lactococcus Ferment Extract
LAC
9/10
Concern level
High concern
A biotechnologically derived ferment extract from Lactococcus species, used primarily as a skin-conditioning ingredient in cosmetic formulations. It is generally positioned as a postbiotic-style active that supports skin comfort, barrier function, and hydration, while remaining lightweight and water-soluble.
Pore-clogging
Non-comedogenic
Regulatory
No data
Benefits
MoisturizingSoothingSupports Barrier Function
Skin Type Compatibility
dry skin8/10
oily skin7/10
sensitive skin8/10
acne prone7/10
mature skin7/10
normal skin8/10
Interactions
incompatible with: No specific incompatibilities are well established for the extract itself, Potential additive irritation when combined with strong acids or retinoids in a sensitive-skin formula, Potential irritation increase when combined with fragrance or essential oils
Risks & Warnings
Generally low risk and well tolerated, but any fermented bioingredient can rarely cause stinging, redness, or sensitivity in reactive skin. Reactions are more likely if the finished formula also contains other irritants, strong acids, or fragrances. Safety data for this exact extract are limited, so tolerance should be assessed case by case.
Vegan Cruelty-Free
Found In Products
numbuzin
numbuzin No.3 Super Glowing Essence Toner, Fermented Toner for Skin Glow & Texture, Bifida, Niacinamide, Hydrating, Radiance-Boosting Essence, Pore Reset, 6.76 fl oz (200ml)
numbuzin