Monascus/Cornus Officinalis Fruit/Rice Bran Ferment Filtrate: 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: July 1, 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 Monascus/Cornus Officinalis Fruit/Rice Bran Ferment Filtrate?

Monascus/Cornus Officinalis Fruit/Rice Bran Ferment Filtrate is a liquid ingredient that starts with two plant materials—rice bran from Oryza sativa and the small red fruit of Cornus officinalis. These are mixed and allowed to ferment with a naturally occurring mold called Monascus, the same microorganism responsible for traditional red yeast rice. During fermentation amino acids, peptides, gentle fruit acids, B vitamins and antioxidant pigments form, creating a nutrient rich broth. Once fermentation is complete the solid matter is removed and the remaining liquid is carefully filtered to produce the clear ferment filtrate used in cosmetics.

Fermented plant extracts have been part of East Asian self-care for centuries because the process boosts bioavailability and creates skin friendly compounds. Modern formulators adopted this technique in the early 2000s when K-beauty brands popularized fermented essences and sheet masks. Today the filtrate appears in lightweight serums, hydrating toners, brightening essences, anti aging creams, sleeping masks and even soothing after-sun gels where its balanced blend of antioxidants and conditioning agents helps support healthier looking skin.

Monascus/Cornus Officinalis Fruit/Rice Bran Ferment Filtrate’s Cosmetic Benefits/Uses

This ferment filtrate is prized for one main cosmetic role.

Skin conditioning: The mix of amino acids, natural moisturizers and antioxidants smooths the skin surface, supports barrier strength and leaves a softer feel. Regular use can improve overall suppleness and help the complexion look fresh and well hydrated, making it a versatile addition to daily skin care formulas.

Who Can Use Monascus/Cornus Officinalis Fruit/Rice Bran Ferment Filtrate

This ferment filtrate is generally suitable for all skin types. Oily and combination skin appreciate its lightweight texture while dry or mature skin benefits from the blend of amino acids and moisturizers. Sensitive skin usually tolerates it well because fermentation lowers the pH and reduces harsh compounds, though anyone with a known rice or yeast sensitivity should proceed with caution.

The ingredient is produced from rice bran, plant fruit and a microscopic fungus with no animal derived inputs, making it appropriate for vegans and vegetarians.

No specific contraindications are known for pregnant or breastfeeding women. As with any cosmetic ingredient this is not medical advice and expecting or nursing mothers should discuss new products with a qualified healthcare professional before use.

The filtrate does not increase photosensitivity so it can be used morning and night without elevating sun-burn risk. Standard daily sunscreen is still recommended as part of basic skin health.

Potential Side Effects/Adverse Reactions

Responses to topical Monascus/Cornus Officinalis Fruit/Rice Bran Ferment Filtrate differ from person to person. The following points describe potential side effects that may occur in rare cases. When formulated correctly most users experience none of these issues.

  • Mild redness or stinging – can occur if the skin is highly reactive to the natural fruit acids created during fermentation
  • Itching or dryness – occasionally seen in individuals who are sensitive to rice proteins or fungal metabolites
  • Contact dermatitis – very uncommon but possible in people with existing allergies to Monascus species or Cornus fruit
  • Temporary discoloration – the subtle red pigments from Monascus may leave a slight tint on very light fabrics or fingernails during application
  • Breakouts – rare but may affect those prone to fungal acne since the filtrate contains trace ferment residues

If any discomfort, persistent irritation or other negative effect develops stop using the product and consult a healthcare professional.

Comedogenic Rating

Rating: 1/5

This filtrate is mostly water based with minimal residual lipids from rice bran, and fermentation further breaks down heavier molecules that might otherwise clog pores. The lightweight texture absorbs quickly and leaves little residue, so the likelihood of blocking follicles is very low.

Suitable for acne-prone or breakout-prone skin.

Keep in mind that the overall pore-clogging risk also depends on the full formula – rich oils, waxes or silicones added by the manufacturer can change how a finished product behaves.

Summary

Monascus/Cornus Officinalis Fruit/Rice Bran Ferment Filtrate is a fermented blend that conditions skin by supplying readily absorbed amino acids, gentle fruit acids, B vitamins and antioxidant pigments. These components work together to soften texture, support the moisture barrier and give a fresher, healthier appearance.

While not as famous as niacinamide or hyaluronic acid, the ingredient enjoys steady popularity in K-beauty inspired toners, essences and soothing gels and is gradually finding its way into Western formulations as consumers seek fermented actives.

Overall it is considered safe, vegan friendly and well tolerated for most skin types with only rare reports of irritation or discoloration. As always, perform a simple patch test when trying a new product that includes this or any unfamiliar ingredient just to stay on the safe side.

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