Hydrolyzed rice protein

Hydrolyzed rice protein (CAS 156715-40-1), also marketed as Gluadin R and Colhibin, is derived from rice endosperm protein broken into peptides and amino acids by enzymatic or chemical hydrolysis.

Where is Hydrolyzed rice protein used?

• Personal care and food: film-forming humectant and surface-conditioning agent binding to hair, skin, or food matrices.
• Hair care: shampoos, conditioners, and leave-in treatments adsorb onto damaged keratin to reduce breakage and improve combability.
• Skin care: serums and moisturizers where low molecular weight peptide fractions support hydration and surface smoothing.
• Food and nutrition: plant-based protein supplement and flavor precursor in broths, seasonings, and protein-enriched beverages.
• Pharmaceutical formulators use it as a clean-label excipient in oral nutritional products for allergen-sensitive populations.
• Used in infant formulas for infants allergic to cow's milk.
• Functional ingredient in baked goods, plant-based meat alternatives, and energy bars to improve texture, binding, and emulsification.
• Used in color cosmetics such as make-up bases.
• Compatible with water-based systems.

Good to know: Standard grades include food-grade and cosmetic-grade specifications, with some suppliers offering defined molecular weight fractions. Organic-certified and allergen-free variants are available.

Formulation notes

• For facial products, recommended use level is 1–3 %.

Typical specification

• Supplied in powder and liquid forms, the liquid usually being an aqueous solution with 30–50% active concentration.
• Active component is low molecular weight peptides.
• pH 4.0–5.0 at 20 °C.
• Total solids 20–40 %.

Regulatory status

• INCI name is Hydrolyzed Rice Protein.
• Listed in the EU CosIng database for cosmetic use.

Storage, packaging and handling

• Commonly shelf life is 18 months.
• Store at room temperature and protect from direct sunlight.
• If precipitates appear during storage, agitate until reconstituted before use.

Frequently asked questions about Hydrolyzed rice protein

In which food applications does hydrolyzed rice protein act as an emulsifier?

It helps emulsify fat and water phases in dairy-free beverages, sauces, and salad dressings.

What function does hydrolyzed rice protein serve in hair dye and permanent waving formulations?

In hair dye and permanent waving it limits structural damage during chemical treatment.

Technical content is compiled and updated by the SoleChem product team from public technical sources; the certificate of analysis (COA) governs product-specific specifications.