For distressed hair.
Redken Extreme Length Primer is developed with biotin to strengthen from root to tip and specifically targets split ends. Use the Extreme Length system of Shampoo, Primer and Sealer to achieve your maximum hair length - up to 6" in a year.
Directions for use:
Shampoo with Extreme Shampoo and then apply Extreme Lenght Primer on damp hair from root to ends. Leave on 2-5 minutes and rinse. For best results, follow with Extreme Length Sealer.