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HYDROXYPROPYLTRIMONIUM HYDROLYZED RICE PROTEIN
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A cationized hydrolyzed rice protein similar in function to the oat variant, providing conditioning, film-forming, and moisturizing benefits to skin and hair.
Structurally identical in function to the oat protein variant, this ingredient is a hydroxypropyl-trimethylammonium chloride derivative of hydrolyzed rice (Oryza sativa) protein. Cationization enhances substantivity to negatively charged skin and hair surfaces. Rice protein contains amino acids (glycine, proline) that support collagen synthesis and skin elasticity. EU CosIng lists hydrolyzed rice proteins without Annex II or III restrictions. The ingredient is regarded as safe and is used in both skincare and hair care formulations for its conditioning and film-forming properties.
Skin benefits
- Film-forming conditioning and moisturizing
- Anti-static and detangling benefits for skin/hair
- Supports skin barrier integrity
- Antioxidant activity from rice-derived amino acids
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.