Become an overnight success with NIGHT.SHIFT, a deeply replenishing overnight serum powered by Hyaluronic Acid and antioxidant-rich Australian Kakadu Plum. This leave-in treatment delivers up to 12 hours of hydration absorbing into each strand to strengthen and smooth while you sleep. Rise and shine to hair that's 2x stronger, effortlessly manageable and touchably soft. No rinse required.