QAI Hair Launches World’s First Covalent Grafting Polypeptide to Repair Damaged Hair
Solution based on PolyGraft-9, a highly reactive cysteine protein—developed by a former Senior Vice President of Chemistry for Redken that was discovered by his grandson United States, 4th Aug 2026 — QAI Hair today announced the launch of a line of hair care products featuring the world’s first Covalent Grafting Polypeptide. The products’ Covalent bond […]



















