Cosmetics · Oils & lipids
Rice Germ Oil
米胚芽油 (Kome haiga-yu)
Also known as: Oryza Sativa Germ Oil
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| Category | Cosmetics |
|---|---|
| INCI name | Oryza Sativa Germ Oil↗ |
| Japanese labeling name | コメ胚芽油 |
| Common Japanese notations | 米胚芽油, コメ胚芽油 |
| Origin | Plant-derived (rice germ, isolated from rice bran) |
| Typical functions | Emollient, Antioxidant (via gamma-oryzanol) |
| Regulatory status in Japan | Cosmetic ingredient listed in the JSCI (Japanese Cosmetic Industry Association) labeling name dictionary. |
Rice germ oil is pressed specifically from the germ fraction of rice — a smaller yield than rice bran oil, which uses the whole bran. Germ oil concentrates the vitamin E and gamma-oryzanol content and is used in specialty cosmetic applications positioning around these natural antioxidants.
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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
Functions
Regulatory tags
Origin
Common OEM product categories
Finished-product categories where Japanese OEM manufacturers commonly formulate with this ingredient.
- Face oils and lotions
- Body products
- Specialty skincare
Ingredient profile
Oryza Sativa germ oil is produced by separating the germ fraction during rice milling and pressing or solvent-extracting it. The oil concentrates gamma-oryzanol, tocopherols, tocotrienols, and phytosterols at higher levels than whole bran oil.
OEM applications
In cosmetics, rice germ oil appears in face oils, specialty moisturizers, and body products — often in formulations emphasizing natural antioxidant content.
Regulatory classification in Japan
Cosmetic use is permitted under the JSCI dictionary.
Regulatory classification in other markets
| EU | Listed in CosIng. Permitted for cosmetic use. |
|---|---|
| USA | INCI recognized by PCPC. |
| China | Permitted per IECIC listings. |
| Korea | Permitted under KFDA / MFDS. |
Market reference formulations
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Alternative ingredients
Related ingredients commonly evaluated as substitutes.
Quick answers
- What is Rice Germ Oil?
- Rice germ oil is pressed specifically from the germ fraction of rice — a smaller yield than rice bran oil, which uses the whole bran. Germ oil concentrates the vitamin E and gamma-oryzanol content and is used in specialty cosmetic applications positioning around these natural antioxidants.
- What is the regulatory status of Rice Germ Oil in Japan?
- Cosmetic ingredient listed in the JSCI (Japanese Cosmetic Industry Association) labeling name dictionary.
- What products typically use Rice Germ Oil?
- Face oils and lotions / Body products / Specialty skincare
- Where does Rice Germ Oil come from?
- Plant-derived (rice germ, isolated from rice bran)
- What is the INCI / JSCI labeling name for Rice Germ Oil?
- INCI: Oryza Sativa Germ Oil / JSCI: コメ胚芽油
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From the same origin
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Regulatory guidance
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FAQ for OEM buyers
Q. Is Rice Germ Oil different from Rice Bran Oil on the INCI label?
Yes — 'Oryza Sativa Germ Oil' (rice germ oil) and 'Oryza Sativa Bran Oil' (rice bran oil) are distinct INCIs from different parts of the rice grain. Rice germ oil is the smaller, more specialized fraction with higher tocopherol/tocotrienol and γ-oryzanol content per gram; rice bran oil is the more commercially common fraction.
Sources · Last reviewed: 2026-04-26
- CosIng database — Oryza Sativa Germ Oil and Oryza Sativa Bran Oil entries
Q. What are the key functional/marketing markers for rice germ oil?
γ-Oryzanol (a ferulic acid ester complex, ~1-2% in rice germ oil) and a high tocotrienol/tocopherol vitamin E profile are the typical functional markers. Both are well-documented antioxidant components and useful for ingredient-narrative positioning.
Sources · Last reviewed: 2026-04-26
- Peer-reviewed: γ-oryzanol and vitamin E composition of rice germ oil (Journal of the American Oil Chemists' Society)
Q. What is the typical sensorial / formulation profile of rice germ oil?
Rice germ oil is a medium-light oil with a faint cereal-rice scent and pale yellow color; it is more oxidation-prone than rice bran oil due to higher unsaturated fatty acid content, so it benefits from antioxidant addition (mixed tocopherols at 0.05-0.2%) and proper packaging.
Sources · Last reviewed: 2026-04-26
- Industry knowledge — Japanese rice oil suppliers
Industry-knowledge claim — not yet pinned to a single primary source
Q. What is the cost / sourcing profile vs. rice bran oil?
Rice germ oil is significantly more expensive than rice bran oil because the germ is a small fraction (~3%) of the brown rice grain by weight. Domestic Japanese rice germ oil is available but commands a premium; specify Japan-origin if Made-in-Japan storytelling is required, otherwise lower-cost imported rice germ oil is widely available.
Sources · Last reviewed: 2026-04-26
- Industry knowledge — Japanese rice oil milling industry
Industry-knowledge claim — not yet pinned to a single primary source
Use cases
Premium face oil / facial serum oil
- Positioning
- Antioxidant-rich Japanese-rice-heritage face oil
- Typical usage level
- 5-100% (single-oil hero product) or 5-30% in blends
- Formulation notes
- Add mixed tocopherols 0.05-0.2% for oxidation control; pair with camellia oil and squalane
Sources
- Industry knowledge — Japanese face oil market
Industry-knowledge claim — not yet pinned to a single primary source
Hand & body lotion / cream
- Positioning
- Daily moisturizing line with rice-heritage narrative
- Typical usage level
- 2-10% in oil phase
- Formulation notes
- Compatible with most O/W emulsifier systems; light skin-feel
Sources
- Industry knowledge — Japanese body care market
Industry-knowledge claim — not yet pinned to a single primary source
Cleansing oil / makeup remover
- Positioning
- Plant-oil-based gentle cleansing oil
- Typical usage level
- 10-40% in oil phase
- Formulation notes
- Combine with PEG-or-polyglyceryl emulsifiers for water-rinse capability
Sources
- Industry knowledge — Japanese cleansing oil market
Industry-knowledge claim — not yet pinned to a single primary source
Hair oil / scalp treatment
- Positioning
- Japanese-rice hair-care line
- Typical usage level
- 10-50% in oil phase
- Formulation notes
- Often blended with camellia (tsubaki) oil for traditional Japanese haircare narrative
Sources
- Industry knowledge — Japanese hair oil market
Industry-knowledge claim — not yet pinned to a single primary source
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Official regulatory databases
External links to public Japanese / international regulatory authorities. We are not affiliated.
References
- JSCI (Japanese Cosmetic Industry Association) labeling name directory — コメ胚芽油
- EU CosIng entry: Oryza Sativa Germ Oil
Last updated: 2026-04-22. Ingredient entries are reviewed at least annually against current regulatory listings.