Cosmetics · Fermented ingredients
Brown Rice Ferment Extract
玄米発酵エキス (Genmai hakkō ekisu)
Also known as: Genmai Ferment Extract
At a glance
| Category | Cosmetics |
|---|---|
| INCI name | Oryza Sativa (Brown Rice) Ferment Extract / preparation-specific |
| Japanese labeling name | 玄米発酵液 / コメ発酵エキス (preparation-specific) |
| Common Japanese notations | 玄米発酵エキス |
| Origin | Fermented (whole brown rice fermented with microbial cultures) |
| Typical functions | Skin conditioning, Antioxidant |
| Regulatory status in Japan | Cosmetic ingredient handled under the JSCI dictionary under preparation-specific names. |
Brown rice ferment extract draws on the preservation of gamma-oryzanol, ferulic acid, and other compounds present in the bran layer of whole brown rice, combined with fermentation-derived amino acids and organic acids. It is used in product lines that build on both rice heritage and fermentation positioning.
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
Used in (typical product categories)
Finished-product categories that commonly include this ingredient in Japanese-market formulations.
- Face toners and essences
- Sheet masks
- Scalp care
What it is
Brown rice ferment extract is produced by fermenting whole brown rice with microbial cultures (often koji, yeast, or lactic acid bacteria, depending on the supplier protocol). The resulting filtrate contains amino acids, saccharides, polyphenols, and trace rice-bran-derived components.
Typical uses in Japanese products
In cosmetics, brown rice ferment extract appears in toners, essences, sheet masks, and scalp-care products. It complements rice-heritage product narratives alongside rice bran extract and sake-family ingredients.
Regulatory classification in Japan
Permitted under JSCI dictionary preparation-specific entries.
Regulatory classification in other markets
| EU | Rice-ferment preparations listed in CosIng under various INCI names. |
|---|---|
| USA | Used in finished cosmetic products. |
| China | Permitted per IECIC listings. |
| Korea | Permitted under KFDA / MFDS. |
Example products
Example finished products will be added after each product's current full ingredient list has been verified.
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Related ingredients
References
- JSCI labeling name directory — rice fermentation entries
Last updated: 2026-04-22. Ingredient entries are reviewed at least annually against current regulatory listings.