AMIKA: Dream Routine Overnight Hydration Treatment . The definition of set it and forget it this overnight treatment is infused with hyaluronic acid, which will make your hair three times more hydrated by morning, epitomizing the term beauty sleep. SIZE 3.3 fl oz. HOW TO USE Comb through hair. Pump 1-4 times into hand depending on hair length and thickness. Apply to dry and damp hair before bedtime. Distribute from mid-lengths to ends. And now you are ready for your beauty sleep! No need to rinse it out in the morning.