Wella Professionals SP Hydrate Finish leave-in moisturizing treatment for dry hair is the ideal final step in hair care before you begin styling. The formula with the special active moisturizing complex, Active Moisture Complex, provides hair with long-lasting hydration, softness, and active protection against dryness. After applying the leave-in treatment, hair gains immediate softness and smoothness. The leave-in formula makes it easier to detangle dry to highly porous hair and helps combat frizz and tangling.