What Is Mycobacterium Vaccae Lysate Filtrate?
Mycobacterium Vaccae Lysate Filtrate comes from a friendly soil bacterium called Mycobacterium vaccae. Scientists first studied this microbe in the 1970s while looking at how exposure to soil organisms might support skin and overall well-being. When researchers noticed its gentle nature they began exploring ways to use its by-products in topical care.
To create the filtrate, cultured Mycobacterium vaccae cells are broken apart in a water-based solution, a step known as lysis. The mix is then carefully filtered to remove larger cell fragments, leaving behind a clear liquid rich in small proteins, peptides, carbohydrates and minerals from the original bacterium. This liquid is what formulators add to skincare.
Brands include the ingredient in soothing masks, daily moisturizers, barrier-support serums, anti-aging creams and after-sun treatments. Its mild profile makes it suitable for both rinse-off and leave-on products.
Mycobacterium Vaccae Lysate Filtrate’s Cosmetic Benefits/Uses
In skincare formulas Mycobacterium Vaccae Lysate Filtrate mainly serves one purpose.
Skin conditioning: The filtrate supplies lightweight moisturizers and nutrients that help soften the surface of the skin and support a healthy barrier. Regular use can leave skin feeling smoother, less tight and more comfortable while also improving the way other actives absorb.
Who Can Use Mycobacterium Vaccae Lysate Filtrate
This lysate filtrate is considered gentle enough for most skin types including dry, normal, combination, oily and sensitive. Because it focuses on barrier support rather than exfoliation or deep cleansing it rarely triggers irritation, even for reactive complexions. There are no known reasons it would be unsuitable for any specific skin type unless a person has an individual allergy to the ingredient.
The material is produced from a laboratory-cultured soil bacterium with no animal-derived components, making it appropriate for vegans and vegetarians.
No studies have flagged problems for pregnant or breastfeeding users when the ingredient is applied topically. That said this is not medical advice and anyone who is expecting or nursing should review all skincare products with their healthcare provider.
The filtrate does not increase photosensitivity so daily sunscreen habits remain the same as with any good routine. It also layers well with common actives like niacinamide, ceramides and peptides without known conflicts.
Potential Side Effects/Adverse Reactions
Responses to topical Mycobacterium Vaccae Lysate Filtrate differ from person to person. The points below cover potential reactions, yet most users will not experience them when the ingredient is correctly formulated and used as directed.
- Mild redness or warmth shortly after application
- Itching or transient tingling in sensitive individuals
- Localized contact dermatitis if an allergy exists
- Stinging when applied to broken or recently exfoliated skin
- Eye irritation if the product accidentally gets into the eyes
If any of these effects occur discontinue use and consult a healthcare professional for guidance.
Comedogenic Rating
Rating: 0-1. Mycobacterium Vaccae Lysate Filtrate is a water based lysate with virtually no oils or waxes, so it does not linger in pores or create the heavy film that can trap debris. Formulas featuring it are usually light and quick to absorb, keeping the clogging potential very low.
This makes the ingredient appropriate for people who are prone to acne or frequent breakouts.
A product’s overall pore-clogging risk depends on every component it contains, so users worried about congestion should still review the complete ingredient list.
Summary
Mycobacterium Vaccae Lysate Filtrate serves mainly as a skin conditioning agent, delivering tiny proteins, peptides and carbohydrates that hydrate, soften and fortify the skin barrier, which in turn helps other beneficial ingredients perform better.
While not yet a mainstream staple, it is gaining traction in niche and science driven lines that focus on barrier health and microbiome support.
Research and user experience point to a high level of safety, with minimal irritation and virtually no comedogenicity, yet it is always wise to perform a patch test when introducing any new product to your routine.