Bringing Damaged Hair and Nails Back to Strength with Keratin Peptides
Keratin Protein Hydrolyzate in a 50 ml package is a concentrated active ingredient produced through enzymatic breakdown of keratin into smaller peptides and amino acids capable of penetrating damaged sections of hair and nail plates. This ingredient belongs to the broad category of hydrolyzed proteins, widely used today in professional and home-based skincare and haircare formulations, as well as in dermatological products aimed at restoring the structure of skin, hair and nails. The main global demand for keratin hydrolyzate comes from manufacturers of shampoos, conditioners, hair masks, split-end serums, keratin smoothing and lamination treatments, and nail strengtheners and base coats.
The practical value of this component lies in its ability to partially replenish keratin lost by hair after coloring, bleaching, heat styling with flat irons or curling tools, and aggressive chemical perms. As the peptides penetrate the hair cuticle, they smooth out damaged scales, reduce porosity and give hair a denser, more resilient texture. In nail formulations, keratin hydrolyzate contributes to plate strengthening and reduced brittleness, which is valued in the production of professional base coats and restorative cuticle oils.
At home, this ingredient is convenient for testing small trial batches of cosmetic formulas — the 50 ml package allows a formulator to check a mask, conditioner or serum recipe without committing large amounts of raw material before scaling up production. Keratin hydrolyzate pairs well with other botanical and protein-based ingredients: it is often combined with Sprouted Wheat Hydrolysate to reinforce the strengthening effect on hair structure, and with Placenta Protein Hydrolysate in complex rejuvenating and restorative scalp serums. For antioxidant support in a formula, Pomegranate Hydrolysate is a good partner, enriching the care routine with polyphenols.
Keratin hydrolyzate should be added during the final stage of product formulation, in the cold phase, at a temperature not exceeding 40 degrees Celsius, to avoid breaking down its protein structures. Recommended dosage in finished hair care products ranges from 1 to 5 percent of total mass, while in nail care products it ranges from 2 to 8 percent depending on the desired concentration of active effect. The ingredient is water-soluble, making it easy to incorporate into water-based emulsions, gels and serums.
Storage is recommended in a tightly closed container, in a cool dark place away from direct sunlight and heat sources, which helps preserve peptide activity throughout the shelf life. Once opened, the bottle content should be used within a reasonable period, minimizing air exposure to reduce oxidation.
Beyond cosmetics, hydrolyzed keratin is used in the development of professional salon care products and is occasionally added to formulations for restoring feather and fur structure in pet care items, which extends its practical use well beyond a single industry.
Keratin Split-End Repair Serum
Keratin Protein Hydrolyzate 6 ml
Jojoba oil 15 ml
Vitamin E 2 ml
Silicone emollient 10 ml
Distilled water 20 ml
Emulsifier for oil-water phase 5 g
Combine the jojoba oil, silicone emollient and emulsifier, then heat the mixture to about 65 degrees Celsius in a water bath until fully melted. Separately heat the water to the same temperature, then slowly pour it into the oil phase while stirring vigorously until a stable emulsion forms. Cool the mixture to around 38 degrees, add vitamin E and the keratin hydrolyzate, mix until fully homogeneous, and transfer the finished serum into a dropper bottle for application to hair ends.