Discover Biolage Deep Treatment ColorLast Multi Use Hair Mask for instant hair transformation, leaving you with smooth and shiny locks. Highly concentrated in caring agents for healthier-feeling hair with each use*. No more cold-water rinses or skipping shampoos to stretch out color vibrancy. Immediately after using this treatment, hair is 3X stronger with up to 70% less breakage.** Orchid and apricot seeds help color-treated hair retain moisture and help strengthen hair follicles. Small but mighty, each pack contains at least four applications.