Redken

Extreme Length Sealer Split-End Leave-In

This leave-in treatment is formulated with biotin and a specialized care complex to fortify lengths and reduce breakage, allowing hair to grow longer. It is designed to strengthen damaged hair and reduce the appearance of split ends by 78% for results that feel full from root to tip. The formula also adds manageability, smoothness, and shine while being suitable for all hair types and textures.