Amika Dream Routine Overnight Hydration Hair Treatment, 100 ml / 3.3 fl. oz.

This hyaluronic acid-infused overnight hair treatment mask is designed to deeply boost moisture for up to 72 hours, leaving your hair 3x more hydrated by the morning. It works overnight to intensely hydrate and nourish your hair, making it soft, smooth, and revitalized when you wake up.