Redken Extreme Length Sealer With Biotin Builds Strength 50 ml

Redken Extreme Length Sealer with biotin builds strength from root to tip and targets split ends. Extreme Length system of Shampoo, Primer and Sealer helps achieve your maximum hair length - up to 6" in a year. Formulated with biotin provides weightless conditioning and builds strength from root to tip. Exclusive Interlock Protein Network strengthens hair. Use the exclusive built-in-brush to seal split-ends.