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RICE OIL DIGLYCERYL ESTERS.

Valuable CAS - / SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

RICE OIL DIGLYCERYL ESTERS are versatile fatty acid esters primarily utilized as surfactants and emulsifiers, critical for stabilizing oil-in-water emulsions in skincare formulations. Beyond their structural role, they contribute to enhancing the skin's moisture balance, functioning as a cosmetic active ingredient to support overall skin health.

Summary

Emulsifying Surfactant Skin Conditioning Moisturizing Antioxidant Support (via rice derivatives) Barrier Support (via rice derivatives)

Science

Mechanism of Action

This ingredient functions as an effective surfactant and emulsifier, crucial for stabilizing oil-in-water emulsions across various cosmetic applications. As a fatty acid ester, it intrinsically supports skin hydration by improving moisture balance. While RICE OIL DIGLYCERYL ESTERS directly enhance skin moisture, a broader spectrum of benefits, including antioxidant protection, anti-aging effects, and robust skin barrier strengthening (such as promoting hyaluronic acid and Type III collagen synthesis, and reducing transepidermal water loss), are observed in related rice-derived compounds like rice bran oil and its phytosterol esters. These components are rich in antioxidants, vitamins B and E, and essential fatty acids, collectively supporting skin repair, moisturization, and potentially offering anti-inflammatory actions.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

As an emulsifier, RICE OIL DIGLYCERYL ESTERS are instrumental in forming stable oil-in-water emulsions. General formulation stability can be influenced by factors such as interactions with electrolytes and preservatives. Careful processing, including controlled homogenization speed, temperature management, and cooling rates, is essential to prevent issues like coalescence or flocculation that can compromise product shelf-life. While specific pH stability is not detailed, a neutral to slightly acidic pH range is generally considered favorable for overall formulation stability, particularly concerning the base rice oil's enzymatic integrity.

Synergies

  • Rice Bran Oil: Combines nourishing properties (antioxidants, vitamins B and E, essential fatty acids) with hydrating and emollient capabilities.
  • Phytosterol Esters (from rice bran): Promotes hyaluronic acid and type III collagen synthesis, reduces TEWL, improves skin barrier function, and may offer anti-inflammatory effects.

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that polyglyceryl fatty acid esters, the broader category encompassing RICE OIL DIGLYCERYL ESTERS, are considered safe for cosmetic use when formulations are developed to be non-irritating.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

RICE OIL DIGLYCERYL ESTERS are a valuable ingredient, effectively stabilizing emulsions while contributing to skin moisture and offering broader benefits through its rice-derived components.

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