Snapshot
- Overview
- Beneficial bacteria used to balance hydration and calm skin.
- Category
- Skin Conditioning, Soothing, Barrier Support
- Type
- Humectant
Lactobacillus
Lactobacillus is a genus of lactic acid bacteria used in biotechnology-derived skincare and personal care products. It's added for conditioning and soothing effects, aiming for balanced hydration and a soft, comfortable skin feel.
Like this ingredient?
Our take
Is Lactobacillus a Good Ingredient?
Rated Fair because it can provide conditioning and a soothing feel, but human clinical data is limited and results vary by formulation. There's also a small risk of irritation or sensitization, particularly for very reactive skin, which keeps it from Good.
What it does
Skin Benefits
May help maintain moisture balance and support a calmer-looking complexion; evidence is moderate for specific outcomes.
Where you'll find it
Uses in Skincare & Cosmetics
Often included in serums, essences, and toners for daily care and to complement routines focused on reducing visible redness.
Before you use it
Safety
Generally considered low risk, but mild irritation or redness can occur in sensitive individuals. Patch testing is advisable if your barrier is compromised or you react to new actives.
Products with Lactobacillus
