- KeraBio K31 is a biomimetic hair repair ingredient developed over 15 years of proteomics research.
- It delivers full efficacy at 0.05% active inclusion, allowing for flexible formulation.
- KeraBio K31 is 99% naturally derived, vegan-suitable, biodegradable, and REACH compliant.
- The product is shortlisted for the BBIA Demeter Awards 2025, with winners announced on 17 November 2025.

Introduction
Croda International Plc has unveiled new data on KeraBio K31, a biomimetic hair repair ingredient. Developed over 15 years of proteomics research, it acts as a vegan keratin recharge at the molecular level.
Performance and Efficacy
KeraBio K31 delivers full efficacy at just 0.05% active inclusion, offering formulators flexibility to create high-performance products with reduced environmental impact. Higher concentrations can enhance results further.
Recognition and Compliance
The innovation is shortlisted for the Product Innovation Award at the BBIA Demeter Awards 2025, with winners to be announced on 17 November 2025. KeraBio K31 is 99% naturally derived, vegan-suitable, biodegradable, and compliant with EU/UK REACH standards.
Scientific Backing
Scientific data supports KeraBio K31's ability to repair hair bonds, deliver 100% stronger hair than leading bond builders, and improve performance with continued use, resetting hair to a virgin profile.