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Lactobacillus Ferment Lysate

What Lactobacillus Ferment Lysate is & what it does

Lactobacillus Ferment Lysate is a postbiotic ingredient made from the broken-down (lysed) cells and metabolites of Lactobacillus bacteria. In skincare and sunscreen formulas it is used as a conditioning and skin-soothing agent, often promoted for supporting the skin's surface microbiome. It is a water-compatible, biotechnology-derived component rather than a live culture.

What does Lactobacillus Ferment Lysate do in skincare?

Lactobacillus Ferment Lysate is a postbiotic used as a skin-conditioning and soothing ingredient. It is the lysed (broken-down) cells and metabolites of Lactobacillus bacteria, and it is often added to support the skin's surface microbiome and improve the feel of a product. It works as a water-phase ingredient in moisturizers, serums, and sunscreens.

Is Lactobacillus Ferment Lysate safe?

Lactobacillus Ferment Lysate is widely used in cosmetics and is generally considered well tolerated at the levels found in skincare. It is a processed, non-living ferment ingredient rather than a live culture. As with any ingredient, people with sensitive skin or specific concerns may want to patch test or check with a professional.

Is Lactobacillus Ferment Lysate vegan?

Lactobacillus Ferment Lysate is derived from bacterial fermentation, so it does not come from animals and is usually considered suitable for vegans. However, the growth medium used to culture the bacteria can sometimes include animal-derived nutrients, so a strict vegan may want to confirm sourcing with the brand.

Sunscreens with Lactobacillus Ferment Lysate

We rate 19 sunscreens that contain it, showing the top 10 by overall score:

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