Defatted Rice Bran Extract: 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 27, 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 Defatted Rice Bran Extract?

Defatted Rice Bran Extract comes from the outer layer of rice kernels, known as rice bran, after most of its natural oil has been removed. This bran is rich in compounds like ferulic acid, gamma-oryzanol, B vitamins and proteins that remain even after defatting. Historically rice bran was discarded or used as animal feed until researchers found that its antioxidants and skin-friendly nutrients could benefit cosmetic formulas. To create the extract, producers separate the bran during milling, remove the oil through cold pressing or gentle solvent washing, then steep the defatted bran in water or a mix of water and food-grade solvents. The resulting liquid is filtered and concentrated to yield a skin-compatible extract. You will most often spot it in brightening serums, anti-aging creams, sheet masks, lightweight lotions, deodorant sticks and gentle cleansers.

Defatted Rice Bran Extract’s Cosmetic Benefits/Uses

When added to skincare or personal care products this extract brings several useful properties:

  • Antioxidant: Helps neutralize free radicals which can contribute to dullness and early signs of aging so formulas that include it aim to support a smoother more resilient look
  • Bleaching: Offers mild skin brightening by interfering with excess melanin formation assisting in evening out tone and reducing the appearance of spots
  • Deodorant: Naturally tackles the molecules that cause unwanted odor making it valuable in underarm products foot sprays and freshening body lotions
Who Can Use Defatted Rice Bran Extract

Defatted Rice Bran Extract is generally considered friendly for all skin types, including oily, combination, normal and dry. Its lightweight water-based nature means it will not clog pores or leave a greasy finish so even acne-prone users often tolerate it well. Sensitive skin usually handles the extract without trouble thanks to its mild profile, though anyone with a known rice or grain allergy should proceed cautiously.

The ingredient is plant-derived with no animal by-products, making it suitable for vegans and vegetarians. Most manufacturers also avoid animal testing, although shoppers should confirm a product’s cruelty-free status on a brand-by-brand basis.

No data suggest that topical use poses specific risks for pregnant or breastfeeding women. That said, this is not medical advice and anyone who is expecting or nursing should run new skincare products past a qualified healthcare professional to be on the safe side.

Defatted Rice Bran Extract does not increase photosensitivity, so it will not make skin more prone to sunburn. Standard daytime UV protection is still recommended with any routine.

Potential Side Effects/Adverse Reactions

Responses to topical Defatted Rice Bran Extract vary from person to person. The points below outline potential side effects that are possible yet unlikely for most users when the ingredient is properly formulated in a finished product.

  • Irritation or redness
  • Mild itching or stinging on very sensitive skin
  • Contact dermatitis in those allergic to rice proteins
  • Eye irritation if the product accidentally gets into the eyes

If you experience any of these reactions discontinue use and consult a healthcare professional or dermatologist for guidance

Comedogenic Rating

Rating: 0–1 out of 5. Defatted Rice Bran Extract is largely water soluble and stripped of most oils, so it is unlikely to sit in pores or create the waxy build-up that can lead to blackheads. Its lightweight profile and absence of heavy fatty acids keep the clogging potential very low, though trace lipids may explain why it is not a perfect zero. Overall this extract is considered safe for acne-prone or breakout-prone skin.

Because the ingredient is usually added at modest percentages and paired with water-based carriers its comedogenic impact in finished products is minimal.

Summary

Defatted Rice Bran Extract works as an antioxidant, mild brightener and natural deodorizer. Its ferulic acid and gamma-oryzanol help neutralize free radicals giving skin a smoother look. By quietly slowing excess melanin it can soften the appearance of dark spots while its odor-absorbing compounds freshen body care formulas.

Although not as famous as green tea or vitamin C this rice-derived extract is gaining steady traction in brightening serums gentle cleansers and clean-label deodorants because it delivers multiple perks without heaviness.

Topical use is regarded as low risk for most people with only rare irritation in those sensitive to rice proteins. As with any new cosmetic ingredient it is wise to perform a small patch test to rule out personal sensitivities before full-face or full-body use.

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