If you're dealing with dry, damaged, or lackluster hair, the Amika Dream Routine Overnight Hydration Treatment is worth considering. This hair mask is enriched with sea buckthorn berry and jojoba oils to nourish, hydrate, and restore your hair. To use, simply apply the lightweight and non-greasy mask before bed and allow it to work its magic overnight. Come morning, your hair will be left 3x more hydrated, soft, shiny, and manageable. With regular use, this treatment can also help to restore your hair's natural balance and increase its resilience to environmental stressors.