- KeraBio K31 is officially named Hydrolysed sr-(Tripeptide-137 Hexapeptide-40 sh-Polypeptide-184 sh-Polypeptide-146).
- Developed through collaboration across Croda's global R&D, biotech, operations, and marketing teams.
- The UK and USA R&D teams provided insights and performance data for KeraBio K31.
- Process Innovation team ensured KeraBio K31's commercial-scale production readiness.
Introduction
On 14 July 2025, Croda International Plc announced the official INCI name for its advanced hair repair ingredient, KeraBio K31, as Hydrolysed sr-(Tripeptide-137 Hexapeptide-40 sh-Polypeptide-184 sh-Polypeptide-146).
Product Development
KeraBio K31 is a bio-based, vegan keratin designed to repair and strengthen hair, surpassing the benefits of animal-derived keratin. It represents a significant advancement in hair care performance for the professional salon market.
Research and Collaboration
The development of KeraBio K31 involved extensive collaboration across Croda's global R&D, biotech, operations, and marketing teams, with support from external scientific contributors. The Biotechnology Research and Technology site in Daresbury, UK, led the creation of the novel keratin structure.
Performance Insights
Insights into KeraBio K31's unique mode of action, particularly its role in forming internal hair bonds, were developed by the UK R&D team, with data from trusted external partners. The USA R&D team provided robust in-vitro performance data, demonstrating significant improvements in hair strength and resilience.
Production Readiness
The Process Innovation team ensured KeraBio K31 was ready for commercial-scale production, maintaining its integrity and performance in formulation.
