Rise and shine with Defy Damage Sleepover, our bedtime bond-strengthener that nourishes hair while you sleep. With a brilliant formula that fortifies bonds through the night, this no-rinse treatment delivers softer, shinier, visibly healthier looking hair by morning Think beauty-packed slumber party for your hair. A zero-effort, sleep-in treatment that works on damp or dry strands to give you gorgeously radiant hair by breakfast.