Saccharomyces Lysate Extract 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: June 30, 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 Saccharomyces Lysate Extract Filtrate?

Saccharomyces Lysate Extract Filtrate comes from Saccharomyces cerevisiae, the same friendly yeast used to bake bread and brew beer. When the yeast cells are gently broken apart (a process called lysis) they release a rich mix of peptides, amino acids, natural sugars, vitamins from the B family and trace minerals. These small molecules are then filtered to create a clear fluid that skin can easily take in.

Yeast based skin care has roots in traditional Japanese sake breweries where workers noticed their hands stayed soft and youthful after hours in fermented rice mash. Modern labs picked up on this observation and refined the idea, isolating the most helpful fragments of the yeast cell for topical use. Today Saccharomyces Lysate Extract Filtrate is produced in controlled tanks where the yeast ferments, is lysed with heat or enzymes then passed through fine filters to remove larger pieces, leaving behind a lightweight yet nutrient packed liquid.

Because it is water friendly and non greasy the filtrate slips into many formulas. You will often find it in hydrating serums, sheet masks, essence style fluids, revitalizing creams, soothing after sun gels and anti aging blends that aim to boost glow and smooth texture.

Saccharomyces Lysate Extract Filtrate’s Cosmetic Benefits/Uses

Its main role is skin conditioning, meaning it helps skin look and feel healthier. The filtrate binds water to the surface for quick hydration, supports the natural barrier with amino acids that mimic skin’s own building blocks and delivers antioxidants that fight everyday stress. Regular use can leave the complexion softer, plumper and more even toned while reducing the rough patches that make skin look dull.

Who Can Use Saccharomyces Lysate Extract Filtrate

This ingredient suits nearly every skin type. Its light watery texture makes it comfortable for oily and combination skin while the humectant sugars and amino acids give dry or mature skin a welcome moisture boost. Sensitive skin generally tolerates it well because it is low in fragrance and alcohol free, though anyone with a known yeast allergy should proceed with caution.

Saccharomyces is a microorganism not an animal so the filtrate is considered vegan and vegetarian friendly provided the finished product contains no added animal derived materials.

No data shows that Saccharomyces Lysate Extract Filtrate poses special risks during pregnancy or breastfeeding when used topically. Still this is not medical advice and women who are pregnant or nursing should run any skincare they plan to use past their doctor just to be on the safe side.

The filtrate does not make skin more prone to sunburn, so there is no known photosensitivity issue. It layers well with daily sunscreen and with most active ingredients such as vitamin C or retinoids.

Potential Side Effects/Adverse Reactions

Reactions to topical Saccharomyces Lysate Extract Filtrate vary from person to person. The points below list potential side effects which are unlikely for most users assuming the product is well formulated and used as directed.

  • Mild redness or warmth caused by transient irritation in very reactive skin
  • Stinging or tingling especially if applied to freshly exfoliated or compromised skin
  • Itchy rash or hives in individuals with a yeast allergy or sensitivity
  • Breakouts in acne prone skin on rare occasions if other pore clogging ingredients are present alongside the filtrate
  • Eye irritation if the product accidentally gets into the eyes

If any of these effects occur stop use immediately and consult a healthcare professional or dermatologist for guidance.

Comedogenic Rating

Rating: 0 / 5. Saccharomyces Lysate Extract Filtrate is a water based ingredient free of heavy oils or waxes that can block pores, so it earns a zero on the comedogenic scale. Its small molecules absorb quickly and leave no residue that would trap sebum or dead cells.

Because it is non comedogenic, the filtrate is generally suitable for people who are prone to acne or breakouts. As always overall formula choice and good cleansing habits matter more than any single ingredient.

Summary

Saccharomyces Lysate Extract Filtrate is a skin conditioning add-on that hydrates, supports the barrier and supplies antioxidants thanks to its mix of amino acids, peptides, B vitamins and natural sugars. These components bind water to the surface, reinforce the skin’s own proteins and neutralize everyday free radicals, leaving the complexion softer plumper and more even.

Fermented ingredients are a staple in Korean and Japanese skin care and this yeast derived filtrate is gaining fans elsewhere, popping up in essences, serums and lightweight creams aimed at glow seekers who want results without heaviness.

Topical use is considered low risk with very few reports of irritation or allergy. Still every skin is unique so give any new product a short patch test before committing it to your daily routine.

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