Get an intense dose of moisture while you sleep, and wake up with nourished, refreshed hair. The lightweight, non-greasy, leave-in hair serum instantly absorbs into strands to intensely hydrate hair, and deliver a boost of moisture that lasts for 48 hours. Apply to dry hair, leave on overnight, and wakeup to restored strands that are deeply hydrated, shinier, softer, smoother, more manageable and have less frizz and tangles.