Lactobacillus/Velvet Extract Ferment Filtrate: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: July 1, 2025
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We verify all information on this page using publicly available nomenclature standards from The Personal Care Products Council (PCPC), the European Commission's CosIng database and documentation provided directly by ingredient manufacturers. Our analysis is based on technical data from these sources to ensure accuracy and reliability.

What Is Lactobacillus/Velvet Extract Ferment Filtrate?

Lactobacillus/Velvet Extract Ferment Filtrate is a skin care ingredient created when velvet extract, often sourced from the soft coating that covers growing deer antlers, is fermented with the friendly bacterium Lactobacillus. During fermentation the microorganisms break down larger molecules into smaller ones and release skin-loving by-products like peptides, amino acids, sugars and minerals. The mixture is then carefully filtered to remove any solid residues leaving a clear liquid rich in these actives.

Fermented ingredients rose to fame through Korean beauty where the gentler pH, boosted nutrient profile and natural preservation gained from fermentation became highly valued. Brands soon explored new plant and animal extracts to ferment and velvet extract joined the lineup for its naturally occurring proteins and growth factors.

Production starts with harvesting velvet antler, extracting its water-soluble components then combining that extract with a Lactobacillus culture under controlled warmth and time. After fermentation reaches its peak activity the batch is filtered and sterilized to meet cosmetic grade standards.

Because of its hydrating and skin-conditioning traits you will find Lactobacillus/Velvet Extract Ferment Filtrate in lightweight essences, sheet masks, anti-aging serums, moisturizers, after-sun gels and soothing overnight creams.

Lactobacillus/Velvet Extract Ferment Filtrate’s Cosmetic Benefits/Uses

This ingredient is prized for one main function in skin care

Humectant: It attracts water from the environment and from deeper skin layers into the surface of the skin helping to keep it comfortably hydrated. Consistent moisture reduces the look of fine lines, supports a plump texture and improves the way other ingredients spread and absorb. Formulators like using this ferment to create lightweight products that deliver long-lasting hydration without a heavy or greasy feel.

Who Can Use Lactobacillus/Velvet Extract Ferment Filtrate

This ferment filtrate is generally compatible with most skin types including dry, normal, combination, oily and even sensitive skin because its main role is to bind water without leaving an occlusive film. Very oily or acne-prone users who react poorly to animal proteins may want to observe how their skin responds, but most people will find the lightweight hydration agreeable.

Because the starting material comes from deer antler velvet it is an animal-derived ingredient. For that reason products featuring Lactobacillus/Velvet Extract Ferment Filtrate are not considered suitable for vegans or strict vegetarians.

Current research shows no specific risks for women who are pregnant or breastfeeding when this ingredient is applied topically at cosmetic levels. That said this is not medical advice and anyone who is pregnant or nursing should run any skin care product past a qualified health professional to be on the safe side.

The filtrate does not increase photosensitivity so it can be used morning or night without adding sun-related risk. Routine daytime sunscreen is still recommended for overall skin health.

Potential Side Effects/Adverse Reactions

Reactions to topical Lactobacillus/Velvet Extract Ferment Filtrate differ from person to person. The points below list potential side effects only; most users will not experience them when the ingredient is properly formulated and preserved.

Skin irritation such as redness, burning or itching

Allergic response in individuals sensitive to animal-derived proteins

Breakouts or clogged pores in rare cases where skin reacts poorly to new humectants

Contact dermatitis triggered by other formula components or preservatives rather than the ferment itself

If any discomfort, rash or other unwanted reaction occurs stop using the product immediately and seek medical advice if symptoms persist or worsen.

Comedogenic Rating

Rating: 1 out of 5

Lactobacillus/Velvet Extract Ferment Filtrate is mostly water based and works as a humectant, meaning it pulls moisture into the skin rather than forming a heavy film on top. It contains small, bio-available molecules that generally rinse clean and do not block pores. Because it lacks thick oils or waxes that are common culprits for congestion, the likelihood of it causing blackheads or pimples is very low.

Suitable for acne-prone skin, although individual reactions can vary.

Formulas that pair this ferment with richer emollients or occlusives could raise the overall pore-clogging risk, so always look at the full ingredient list when choosing a product.

Summary

Lactobacillus/Velvet Extract Ferment Filtrate serves mainly as a humectant that draws water to the skin’s surface, leaving it plump, smooth and better able to absorb other actives. Fermentation breaks down velvet extract proteins into smaller peptides and sugars that hold moisture efficiently, while the Lactobacillus process naturally balances pH and offers mild skin conditioning benefits.

The ingredient enjoys moderate popularity, especially in Korean beauty products that spotlight fermented extracts, though its animal origin keeps it out of strictly vegan lines.

When sourced and preserved properly it is considered safe for topical use with a very low irritation and comedogenic profile. As with any new skin care ingredient it is wise to patch test a small area first to check personal tolerance.

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