Discover Biolage Deep Treatment HydraSource Multi Use Hair Mask for instant gratification and total hair transformation. Highly concentrated in caring agents for healthier-feeling hair with each use. Infuse extremely dry hair with moisture and nourishment. Instantly, hair is 2X more nourished** with up to 70% less breakage. Hair feels softer, more manageable and looks and feels healthier. Vegan formula and highly concentrated in plant-based emollients. Packed with aloe and spirulina, which are known for strengthening hair and giving it a glossy sheen. Small but mighty, each pack contains at least four applications. Easy to squeeze, our packs are 77% lighter than a container of the same size and perfectly sealed for a fresh application each time.