Revolutionizing Hair Care: The Rise of Biotech Bond-Building Ingredients
Biotech Breakthrough: Croda Launches Revolutionary Hair Repair Ingredient
As the global bond-building category surges past $800 million, ingredient suppliers are racing to meet the growing demand for advanced hair repair solutions. Croda, a leader in personal care ingredients, has unveiled KeraBio K31, a groundbreaking product that embodies a shift towards biotechnological innovation in hair care.
A New Era in Hair Repair
KeraBio K31 is touted as the first keratin-based bond builder that is fully biomimetic, replicating the structure of human hair keratin. “This is a significant advancement,” said Stephanie Neplaz, Global Head of Hair Category at Croda. “KeraBio K31 is powered by biotechnology, making it a truly innovative solution for brands seeking effective hair repair without animal-derived inputs.”
In internal testing, KeraBio K31 demonstrated superior strengthening performance compared to traditional keratin and outperformed a leading commercial bond builder, setting a new benchmark in the industry.
Formulation Flexibility and Cost Efficiency
One of the standout features of KeraBio K31 is its efficacy at a remarkably low inclusion level of just 0.05%. This not only offers cost advantages for product developers but also allows for the incorporation of complementary ingredients, enabling formulators to create high-performing products that align with sustainability goals.
“With such potent efficacy at low inclusion levels, brands can design differentiated products while adhering to eco-friendly practices,” Neplaz explained. The ingredient is 99% naturally derived, vegan-suitable, and biodegradable, addressing increasing regulatory and consumer demands for sustainable options.
Validating Performance with Advanced Testing
To substantiate its performance claims, Croda employed cyclic fatigue testing, which Neplaz describes as the “industry gold standard” for assessing long-term hair strength. Unlike traditional tensile testing, which measures the force required to break a single fiber, cyclic fatigue testing simulates real-world stressors like grooming and styling.
The company also utilized targeted peptide assays to analyze KeraBio K31’s interaction with human hair keratin, revealing its preferential binding to both filament structures and the amorphous matrix within the hair fiber.
Personalized Solutions Through Proteomics
KeraBio K31 was developed using Croda’s advanced proteomics platform, allowing for tailored peptide design based on an understanding of how hair proteins degrade under various conditions. “This insight enables us to create bio-based ingredients with precision,” Neplaz noted, hinting at future launches aimed at personalized hair and scalp care solutions.
Looking Ahead: Market Relevance for 2026
As brands gear up for product launches in 2026, Croda believes KeraBio K31 is strategically positioned to help companies thrive in the expanding hair repair category. “It empowers brands to confidently enter and compete in a market that continues to grow,” Neplaz stated.
With a clear focus on deep, molecular repair and ingredient transparency, KeraBio K31 is set to redefine the standards of hair care innovation, paving the way for a more sustainable and effective future in personal care.

