Biotin infused shampoo to help prevent breakage and strengthen hair to help it grow longer. Achieve your maximum hair length goals! Biotin and castor oil infused conditioner to help strengthen the fragile ends of your hair. Helps hair grow longer with minimal breakage. Biotin and soy protein infused leave in conditioner that visibly reduces the appearance of split ends. Helps to seal ends and prevent breakage. When using this system, you can see up to 81% less hair breakage. Does your hair have damage and trouble growing longer. Redken's Extreme Length system with Biotin helps hair grow stronger, allowing you achieve up to 15cm of growth in a year. This system strengthens from your roots to the tips of your hair to help it continue to grow and reduces hair breakage by 81%. 1. Use Extreme Length Shampoo with Biotin to cleanse and strengthen hair. Extreme Length helps you achieve maximum hair length goals by minimising breakage and fortifying hair. 2. Use Extreme Length Conditioner with Biotin and Castor Oil for lightweight nourishment, and to strengthen fragile strands. Reduces breakage and helps lengthen. 3. Use Extreme Length Leave In Conditioner with Biotin and Soy Protein to strengthen weak, fragile hair. Immediately reduces the appearance of and seals split ends for longer, healthier hair. Damaged hair Damaged hair Damaged hair Damaged hair wanting length All types of damaged hair Overprocessed & bleached hair Biotin & Castor Oil for longer hair Extra Protein for stronger hair Cica for natural recovery from bleaching services 81% less breakage using full system 75% less breakage using full system Repairs ultra-sensitised hair post-bleaching services What is the main ingredient in Extreme Length. All Extreme Length products are infused with biotin for longer, stronger hair. How does Extreme Length help hair grow longer. Using the full system reduces breakage by up to 81%*, helping you achieve maximum hair length.