Ingredient | Yeast Ferment and Essence
Galactomyces Ferment Filtrate
INCI · Galactomyces Ferment Filtrate
Related names and forms: Galactomyces Ferment. This list does not indicate synonyms or exact ingredient matches.
Galactomyces ferment filtrate (INCI: Galactomyces Ferment Filtrate) is one of the best-known ingredients in the essence category originating in South Korea and Japan. It is the filtered liquid obtained after fermentation of Galactomyces, a type of yeast. Its appeal lies in the rich natural mixture produced by fermentation: amino acids, various vitamins including B vitamins, organic acids and minerals are present together in the filtrate. This multicomponent structure positions it in relation to antioxidant support and even-looking tone and vitality. Usually used in a light, water-like essence texture, it appears early in the routine, after cleansing. It became popular in the K-beauty tradition through messaging about a smooth, vibrant appearance. An important limit: Galactomyces ferment is a variable biological mixture. Composition differs by manufacturer and fermentation conditions, so it does not correspond to a single defined molecule (CID), and its effect cannot be reduced to one active. It is considered within the whole formula. In terms of safety, it is generally well tolerated; a patch test is a measured approach with known sensitivity to ferment ingredients. Klaris considers Galactomyces ferment not as a promise of miraculous radiance, but as a comfort-focused, multicomponent member of the ferment family, in the context of the formula and Skin Identity.
i. Cosmetic Functions
Frequently Discussed Effects
The following headings summarise areas of effect frequently discussed in the literature; visible results in each area require regular use and a suitable formula.
A Multicomponent Ferment
Contains a mixture of amino acids, vitamins including B vitamins, minerals and organic acids released during fermentation.
Antioxidant Support and Vitality
Often discussed in essence formulas for antioxidant support and even-looking tone and vitality.
A Light, Water-Based Feel
Usually used in a light, water-like texture, placing it early in the routine as an essence.
Mechanism
What Happens Within the Skin?
The following points summarise mechanisms from dermocosmetic literature in plain English. Klaris presents them as background information to help readers understand the context, not as medical claims.
Step 1
Yeast Fermentation Filtrate
The liquid filtered after fermentation of Galactomyces yeast, rich in amino acids, vitamins and organic acids.
Step 2
A Variable, Multicomponent Mixture
Composition varies with fermentation conditions and does not correspond to a single molecular record (CID).
Step 3
Essence Context
Considered as antioxidant and tone-appearance support early in the routine, in a light, water-like texture.
ii. Role in the Formula
How Is It Read on a Label?
Galactomyces ferment filtrate is the liquid filtered after fermentation of Galactomyces yeast in a culture medium. It is a mixture rich in amino acids, vitamins, organic acids and minerals, with a composition that varies according to fermentation conditions. As a variable biological mixture, it does not correspond to a single small-molecule record (CID); its reference layer is built through general source families. It appears in essences, serums and moisturisers in antioxidant, tone and comfort-appearance contexts, usually considered alongside supporting ingredients such as niacinamide and panthenol.
Typical Concentration Range
Varies with formulation context (may form a high-percentage base in essences)
Ingredient Family
Antioxidants
iii. Sensitivity Advisory
A Note on Extra Care in Context
Galactomyces ferment filtrate is generally well tolerated. However, if you have a known sensitivity to ferment ingredients, a patch test with a new product is a measured approach. Ferment messaging alone is not a promise of results.
A sensitivity advisory is not an instruction for use; where individual health circumstances, pregnancy or known sensitivities are involved, discussing the decision with your doctor may be a more contextual approach.
Scientific Basis
Sources and Their Scope
The following headings indicate areas of research; they are not citations of a specific publication or confirmation that every statement on this page has been verified. The links provided should be read with their individual scope in mind.
- International INCI / CosIng database
- Dermocosmetic research publications
- Formulation chemistry guides
Starting Points for Independent Research
These links lead to official databases and serve as starting points for searches.
v. Antioxidants Family
Other Ingredients in the Same Family
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vi. Academy · Related Reading
For a Closer Look
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Klaris · Example Analyses
How Does Galactomyces Ferment Filtrate Feature
in Your Products?
Explore product examples to see the ingredient list, general assessment and match score that changes with the example profile together.
Masked products and example profiles, not a personal analysis. Profile matching in the app is part of Klaris Premium. The app is currently available in Turkish. An English version is in preparation.