Wella Professionals Dynamic Fix Finish 45 Seconds Crafting Spray. Take the time to craft your style with the Wella Professionals Finish Dynamic Fix 45-Second Crafting Spray. Spray, play and perfect your style in 45 seconds with this flexible working mist. Play and perfect your hair in the 45 seconds prior to finish with this Wella Professionals Finish Dynamic Fix 45-Second Crafting Spray. Cutting finishing time down to a mere 45 seconds, get the look you want in a flash with this got-to-have spray.