Biotin and Castor Oil Redken Extreme Length Conditioner is a strengthening conditioner formulated with biotin and castor oil to help strengthen damaged hair so it can grow longer Less Breakage Longer Hair Helps you achieve your maximum hair length up to 6 inches of growth in one year Fortifies and strengthens hair for less breakage and visibly reduces split ends For All Type Textures Ideal for all hair types and textures but especially for those who have damaged hair that they struggle to grow passed a certain length Lightweight Nourishment Gives hair a lightweight nourished feel and helps protect hair from future damage Suitable for hair seeking length and strength