it's time to put dry hair to bed with amika: dream routine overnight hydration treatment, an ultra-hydrating, silicone-free overnight hair treatment mask. infused with hyaluronic acid, dream routine boosts moisture for 72 hours* and results in hair that is 3x more hydrated by morning. this bottle is made of 50% PCR plastic, which requires fewer materials and less processing to create than glass. it will no longer require a secondary box. the airless pump ensures 100% evacuation rate of product. plus, it is curbside recycling-friendly. features & benefits: eco-friendly packaging made especially for all hair experiencing dryness ultra-hydrating reap the benefits of this overnight treatment mask for 4 washes* although dream routine is a no-rinse treatment mask, it doesn't stain your pillow so you can rest easy.