Lactobacillus Ferment
INCI: Lactobacillus Ferment Lysate
Lactobacillus probiotic lysate with soothing and barrier-supporting action. Appears in sensitive-skin lines such as La Roche-Posay Toleriane.
Barrier repairSoothing
Evidence by route
Topical application
CWeak evidence. In vitro data, open-label studies, or expert consensus.
The lysate reduces pro-inflammatory cytokines in sensitive-skin models and speeds up barrier repair. Large clinical RCTs outside brand trials remain rare.
Tolerability and safety
Irritation potential
LowAllergen risk
LowPregnancy
SafeSkin types
Suitable for
SensitiveNormalDryCombination
Frequently asked questions
Is Lactobacillus Ferment safe during pregnancy?
Lactobacillus Ferment is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Lactobacillus Ferment for?
Lactobacillus Ferment suits: sensitive, normal, dry, combination.