This conditioner is the fifth step in the REVOX B77 PLEX Hair Rebuilding System. It is a reparative conditioner that deeply hydrates and nourishes hair fibers, replenishing damaged, color-treated hair. It protects the hair's structure from harmful external factors and helps to eliminate breakage and frizz. It also enhances color shine and adds luxurious brilliance and body to the hair, without weighing it down. With every use, the hair becomes sleeker, smoother, and healthier.