Cosmetics · Fermented ingredients
Galactomyces Ferment Filtrate
ガラクトミセス発酵濾液 (Galactomyces hakkō roeki)
Also known as: Yeast Ferment Filtrate (Galactomyces)
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| Category | Cosmetics |
|---|---|
| INCI name | Galactomyces Ferment Filtrate↗ |
| Japanese labeling name | ガラクトミセス培養液 |
| Common Japanese notations | ガラクトミセス発酵濾液, ガラクトミセス培養液 |
| Origin | Fermented (Galactomyces yeast culture filtrate) |
| Typical functions | Skin conditioning, Moisturizing |
| Regulatory status in Japan | Cosmetic ingredient listed in the JSCI (Japanese Cosmetic Industry Association) labeling name dictionary as ガラクトミセス培養液. |
Galactomyces ferment filtrate is a clear liquid obtained from the cultured fermentation of Galactomyces — a yeast genus found in various fermentation environments. The ingredient is one of the most-referenced "fermented beauty" components in Japanese and Asian skincare, and is used across prestige and mid-tier cosmetics.
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Classification
Tags below link to other ingredients sharing the same attribute, so you can pivot from one ingredient to its peers.
Product applications
Regulatory tags
Common OEM product categories
Finished-product categories where Japanese OEM manufacturers commonly formulate with this ingredient.
- Facial essences
- Moisturizing toners
- Sheet masks
- Serums
Ingredient profile
Galactomyces ferment filtrate is produced by culturing Galactomyces yeast on a suitable nutrient substrate, fermenting the culture under controlled conditions, and filtering the cell-free broth. The resulting filtrate contains amino acids, oligopeptides, organic acids, vitamins, and secondary fermentation metabolites.
As an INCI-recognized ingredient it is listed as "Galactomyces Ferment Filtrate." In Japanese cosmetic labeling it appears as ガラクトミセス培養液.
OEM applications
Galactomyces ferment filtrate is used in facial essences, toners, serums, and sheet masks. In Japanese and Asian skincare marketing, it is a flagship example of the "fermented beauty" positioning. It pairs frequently with other fermentation-based ingredients and with niacinamide.
Different branded preparations of this ingredient can differ meaningfully in fermentation substrate, process parameters, and resulting composition. Suppliers and brand preparations should not be treated as interchangeable for formulation purposes, even when they share the same INCI name.
Regulatory classification in Japan
Listed in the JSCI Japanese Cosmetic Ingredient Codex under ガラクトミセス培養液 and permitted as a cosmetic ingredient.
Not designated as a quasi-drug (医薬部外品) active ingredient.
Regulatory classification in other markets
| EU | Listed in CosIng under the INCI name Galactomyces Ferment Filtrate. Permitted for cosmetic use. |
|---|---|
| USA | INCI recognized by PCPC. Used across prestige and mass cosmetic products. |
| China | Listed in the IECIC. Permitted for cosmetic use. |
| Korea | Widely used in Korean cosmetics. Permitted under the KFDA / MFDS system. |
Market reference formulations
Example finished products will be added after each product's current full ingredient list has been verified. Because this ingredient is associated with several trademarked preparations, any example entries will carefully distinguish the general ingredient from trademarked product names.
All brand names and product names referenced anywhere on this site are the property of their respective owners. Example entries are provided for informational purposes only and do not imply endorsement.
Alternative ingredients
Related ingredients commonly evaluated as substitutes.
Quick answers
- What is Galactomyces Ferment Filtrate?
- Galactomyces ferment filtrate is a clear liquid obtained from the cultured fermentation of Galactomyces — a yeast genus found in various fermentation environments. The ingredient is one of the most-referenced "fermented beauty" components in Japanese and Asian skincare, and is used across prestige and mid-tier cosmetics.
- What is the regulatory status of Galactomyces Ferment Filtrate in Japan?
- Cosmetic ingredient listed in the JSCI (Japanese Cosmetic Industry Association) labeling name dictionary as ガラクトミセス培養液.
- What products typically use Galactomyces Ferment Filtrate?
- Facial essences / Moisturizing toners / Sheet masks / Serums
- Where does Galactomyces Ferment Filtrate come from?
- Fermented (Galactomyces yeast culture filtrate)
- What is the INCI / JSCI labeling name for Galactomyces Ferment Filtrate?
- INCI: Galactomyces Ferment Filtrate / JSCI: ガラクトミセス培養液
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Regulatory guidance
Take the next step
FAQ for OEM buyers
Q. What is Galactomyces ferment filtrate, and how is it related to Pitera™?
Galactomyces ferment filtrate is a generic INCI ingredient produced by culturing Galactomyces yeast on a nutrient substrate, fermenting under controlled conditions, and filtering the cell-free broth. Pitera™ is a P&G/SK-II-trademarked proprietary preparation of Galactomyces ferment filtrate, produced under a specific strain, substrate, and process. The trademark belongs to The Procter & Gamble Company and may not be used to describe other suppliers' Galactomyces ferment filtrate, even when the INCI name is identical.
Sources · Last reviewed: 2026-04-26
Q. Are different Galactomyces ferment filtrate suppliers' products interchangeable?
Not for formulation-critical applications. The INCI name designates the species and the production process category, but fermentation substrate, strain, process parameters, post-processing, and resulting composition (amino acid profile, organic acids, secondary metabolites) can differ meaningfully between suppliers. Brands developing claims-substantiation should treat each supplier's preparation as a distinct material requiring its own efficacy and safety dossier.
Sources · Last reviewed: 2026-04-26
Q. What is the regulatory status of Galactomyces ferment filtrate across major markets?
Japan: listed in the JSCI (Japanese Cosmetic Industry Association) labeling name dictionary as ガラクトミセス培養液. EU: listed in CosIng under Galactomyces Ferment Filtrate. US: PCPC INCI recognized. China: listed in the IECIC. Korea: permitted under the KFDA/MFDS system. Not designated as a quasi-drug (医薬部外品) active ingredient in Japan.
Sources · Last reviewed: 2026-04-26
Industry-knowledge claim — not yet pinned to a single primary source
Use cases
Facial essence (single-ingredient hero format)
- Positioning
- 'Fermented beauty' / 和発酵 narrative — the format pioneered by SK-II's Facial Treatment Essence with Pitera™; widely emulated by Japanese and Korean prestige and mid-tier brands using generic Galactomyces ferment filtrate at high inclusion rates.
- Typical usage level
- Up to 90%+ in some single-ingredient hero essences
Sheet mask serum
- Positioning
- Mid-tier and mass — Galactomyces ferment filtrate is a standard ingredient in 'fermented' or 'glow' positioned sheet masks across Japanese, Korean, and broader Asian markets.
- Typical usage level
- 5–30% in mask essence
Sources
Industry-knowledge claim — not yet pinned to a single primary source
Niacinamide-fermented combination serum
- Positioning
- Functional pairing — Galactomyces ferment filtrate is frequently formulated alongside niacinamide for combined fermented-beauty + brightening / barrier positioning in modern Asian skincare.
- Typical usage level
- 5–20% Galactomyces ferment filtrate alongside 2–5% niacinamide
Sources
Industry-knowledge claim — not yet pinned to a single primary source
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Official regulatory databases
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References
- JSCI (Japanese Cosmetic Industry Association) labeling name directory — ガラクトミセス培養液
- EU CosIng entry: Galactomyces Ferment Filtrate
Last updated: 2026-04-22. Ingredient entries are reviewed at least annually against current regulatory listings.