Tired of having dry hair? Use Biolage Deep Treatment Pack HydraSource, the deep conditioning mask with aloe vera and spirulina, to immediately achieve hair that is triple hydrated, twice as nourished and 70% less brittle. A vegan formula, more than 85% biodegradable and with emollients derived from plants. After 4 uses you will get a deep transformation, leaving your hair feeling softer, healthier and more manageable. *Using HydraSource Shampoo System and HydraSource Deep Treatment Pack.