Soy Protein by Natura-Tec 100 g

Why soy-derived peptides matter for modern skin and hair formulations

Soy Protein by Natura-Tec, supplied in a 100 gram package, is a plant-derived peptide concentrate obtained by breaking down soy protein into smaller amino acid fragments and short peptide chains. This reduced molecular size allows the ingredient to penetrate the upper layers of skin and bind effectively to the hair shaft, making it a popular choice in creams, serums, masks and hair strengthening products worldwide. Globally, plant-based protein hydrolyzates rank among the most demanded raw materials in professional skincare and haircare manufacturing, and they are also used in functional food and nutraceutical production due to their balanced amino acid profile. This ingredient belongs to the Hydrolyzed Proteins category, which brings together raw materials for restoring and strengthening skin and hair structure.

In facial care formulations, soy protein is used as a component of anti-aging and regenerating blends, supporting skin firmness and contributing to natural repair processes at the surface level. In haircare, it strengthens the hair structure by temporarily filling in cuticle damage, resulting in smoother strands with reduced breakage. It pairs well with other protein-based ingredients such as Keratin Protein Hydrolyzate, which reinforces the keratin layer of the hair, and with Hydrolyzate Olivat, which softens and hydrates skin through olive-derived peptides.

In industrial color cosmetics production, soy protein is sometimes combined with mineral additives, including Hydrolyzed pearl powder, to create formulations that offer a subtle luminous finish alongside a caring effect. This combination is frequently found in BB creams, tinted bases and care-enhanced makeup lines.

The recommended dosage of soy protein in finished formulations ranges from 1 to 5 percent of the total mass. The ingredient should be added at the final stage of production, during the cooling phase, at a temperature not exceeding 40 degrees Celsius to prevent breakdown of the peptide bonds. It dissolves readily in the water phase of an emulsion and does not require pre-dissolution in oil. Store the raw material in a dry, cool place in a tightly sealed container, away from moisture and direct sunlight, to maintain long-term stability.

The 100 gram package size is well suited for home-based cosmetic production and trial batches, providing enough material to test several cream, serum or hair mask formulations before scaling up to larger production volumes.

Strengthening hair mask with soy protein

Distilled water 65 ml

Soy Protein 4 g

Keratin Protein Hydrolyzate 3 ml

Jojoba oil 5 ml

Emulsifier for cosmetic emulsions 3 g

Broad spectrum preservative 1 ml

Warm the water to about 40 degrees Celsius and blend in the emulsifier until fully dissolved. In a separate container combine the jojoba oil with the emulsifier residue if needed, then merge both phases and whisk until smooth. Once the mixture cools to room temperature, add the soy protein, keratin hydrolyzate and preservative, stirring until fully incorporated. Apply the finished mask to clean, damp hair, leave for 15 to 20 minutes, then rinse thoroughly with warm water.