Soy Protein Hydrolyzate 1 L

Plant-Derived Peptides Driving Hair, Skin and Food Formulations

Soy protein hydrolyzate is produced through enzymatic breakdown of soy protein into short peptides and free amino acids, which makes the molecule small enough to penetrate into the hair shaft and upper layers of skin rather than simply sitting on the surface. This ingredient belongs to a wide group of Hydrolyzed Proteins, materials that are used far beyond cosmetics, playing an important role in food processing, animal feed and pharmaceutical formulations as a source of easily digestible protein with emulsifying and film-forming properties. The 1 liter pack size is aimed at studio-scale and small commercial production runs, where batch-to-batch consistency and a reliable stock of raw material are essential for steady output.

The largest global demand for soy hydrolyzate comes from hair care: it is a common ingredient in shampoos, conditioners, masks and leave-in treatments because it fills gaps in the damaged cuticle, temporarily restores elasticity and reduces static after washing. It is also widely used in creams, serums and emulsions for skin thanks to its moisturizing and softening action, along with the ability of its peptide fractions to improve the perceived firmness of skin. In the food industry, hydrolyzed soy protein serves as a functional additive in processed meats, sauces, bouillon concentrates and sports nutrition products, working as a flavor enhancer, emulsifier and amino acid source, often replacing more expensive animal-derived proteins. Animal feed producers rely on similar hydrolyzates to raise the nutritional value of rations, which confirms that this raw material has a genuinely broad industrial footprint well beyond a narrow cosmetic niche.

In formulations, soy protein hydrolyzate blends well with other protein hydrolyzates, allowing formulators to combine their effects: paired with Silk Protein Hydrolyzate it boosts shine and smoothness for hair, while combined with Milk Protein Hydrolysate it delivers more pronounced skin softening in creams and lotions. It is also frequently combined with botanical extracts, including Walnut Shell Hydrolyzate, to build complex strengthening formulas for hair and nails. The ingredient should be added at the final stage of preparing an emulsion or shampoo base, at a temperature no higher than 40-45 degrees Celsius, to avoid breaking down the protein fractions under heat. A typical usage rate in finished cosmetic products ranges from 1 to 5 grams per 100 grams of base, with the exact amount depending on the product type and desired intensity of effect. Store the hydrolyzate in a tightly sealed container in a cool place away from direct sunlight, avoiding sharp temperature fluctuations, which keeps the protein chains stable throughout the shelf life.

Strengthening Leave-In Spray for Weak Hair

Distilled water 750 ml

Aloe vera juice 100 ml

Soy Protein Hydrolyzate 30 ml

Panthenol 15 ml

Glycerin 20 g

Preservative 6 ml

Fragrance oil 4 ml

Combine the distilled water and aloe vera juice in a clean mixing container and stir until uniform. Add the soy protein hydrolyzate, panthenol and glycerin, mixing gently to avoid excess foaming, then blend in the preservative and fragrance oil. Pour the finished liquid into spray bottles and let it rest for a few hours before use to allow the ingredients to fully integrate.