What It Is A deep treatment mask for dry hair that helps optimize moisture and hydration. What It Does Infuse extremely dry hair with moisture and nourishment! bull Instantly, hair is 2X more nourished with up to 70 less breakage (when used as a system with Biolage shampoo). bull Hair feels softer, more manageable and looks and feels healthier. bull Vegan formulas and highly concentrated in plant-based emollients. bull Packed with aloe and spirulina, which are known for strengthening hair and giving it a glossy sheen. bull Small but mighty, each pack contains at least four applications. bull Easy to squeeze, our packs are 77 lighter than a container of the same size and perfectly sealed for a fresh application each time.