Antioxidant

Micrococcus Lysate Filtrate

INCI: MICROCOCCUS LYSATE FILTRATE

Reviewed by Kate · Last updated 2 Jun 2026

Also known as: Micrococcus Lysate Filtrate

A fermented bacterial filtrate with antioxidant properties for skin protection

Best For Skin Types

All

Addresses

Oxidative stress, Environmental damage

Usage Frequency

Daily

What Is Micrococcus Lysate Filtrate?

Micrococcus Lysate Filtrate is a filtrate derived from the breakdown of Micrococcus bacteria. It is produced through fermentation and filtration processes, concentrating the beneficial compounds released when the bacterial cells are lysed (broken down). This ingredient appears in skincare formulations primarily for its antioxidant activity.

The filtrate contains metabolites and cellular components from the bacteria that may help protect skin from oxidative stress—damage caused by free radicals and environmental factors like UV exposure and pollution.

Benefits for Your Skin

How It Works

Antioxidants work by donating electrons to free radicals—unstable molecules that damage skin cells and contribute to visible ageing and inflammation. By neutralising these free radicals, Micrococcus Lysate Filtrate may help reduce oxidative stress at the cellular level.

The specific compounds within this bacterial filtrate that confer antioxidant activity have not been extensively characterised in available literature, so the precise mechanism remains somewhat unclear. However, fermented ingredients of this type typically contain secondary metabolites and amino acids that contribute to their protective effects.

Clinical Evidence & References

Published clinical data specifically evaluating Micrococcus Lysate Filtrate in skincare formulations is limited. Most evidence for this ingredient comes from in vitro studies and cosmetic industry testing rather than robust human trials.

Like other fermented filtrates used in skincare, it is presumed to offer antioxidant benefits based on its chemical composition and laboratory assessments. However, the extent of these benefits in real-world skincare use, and how they compare to other established antioxidants, remains incompletely characterised. More rigorous clinical research would strengthen confidence in its efficacy.

How to Use

Micrococcus Lysate Filtrate is typically encountered as one of several antioxidants in a formulation rather than as a standalone active. It is well-suited to layering with other skincare products. There is no established minimum concentration threshold below which it becomes ineffective, so its presence in a formula at any level may offer some protective benefit, though formulation design and stability matter significantly.

Safety & Precautions

Micrococcus Lysate Filtrate is generally considered well-tolerated in skincare products. Allergic reactions or sensitisation are uncommon, though individual sensitivities to fermented ingredients may occur in rare cases.

Frequently Asked Questions

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