Science
Mechanism of Action
This protein acts as a potent antioxidant, effectively neutralizing free radicals to defend the skin from environmental stressors. It demonstrates anti-tyrosinase and anti-melanogenic properties, aiding in the reduction of hyperpigmentation and promoting a more uniform skin tone. By forming a protective film, it enhances the skin's ability to retain moisture, ensuring sustained hydration. Furthermore, Oryza Sativa Bran Protein stimulates fibroblast growth and supports the synthesis of collagen and elastin, which helps diminish the appearance of wrinkles and improves skin firmness. It also strengthens the skin's barrier function, normalizes keratinocyte processes, and possesses antimicrobial activity that can inhibit acne-associated bacteria, alongside potential anti-inflammatory effects.
Research
Clinical Evidence
Medium confidenceN/A
Transparency
Dusting Analysis
No data suggests that Oryza Sativa Bran Protein is commonly dusted or used at ineffective concentrations in formulations.
The Formula
Formulation
Stability
Rice bran protein exhibits minimum solubility around its isoelectric point of pH 4. However, its solubility significantly improves at higher pH levels, specifically increasing as pH is raised from 8 to 12. Deamidated forms of the protein show enhanced solubility across various temperatures and pH values, with films formed at pH 10-12 becoming fully water-soluble when heated to 120°C.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel reaffirmed the safety of 'Hydrolyzed Rice Bran Protein' and 'Hydrolyzed Rice Protein' in 2006, noting concentrations up to 2.0% at that time. Current supplier recommendations suggest safe usage levels up to 5.0%.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Oryza Sativa Bran Protein is a valuable multi-functional ingredient, offering significant antioxidant protection, hydration, skin tone evening, and anti-aging benefits, making it suitable for all skin types due to its low irritancy and comedogenicity.
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