Hydrasource Deep Treatment Pack by Biolage The Hydrasource Deep Treatment Pack from Biolage delivers intense hydration, restoring moisture and deeply nourishing hair strands for softer, healthier-looking hair. This concentrated treatment is designed to address the specific needs of dry and damaged hair, helping hair feel more supple and resilient after each use. Targets severe dryness with a moisture-rich formulation Deeply nourishes each strand for improved softness Ideal for dry and damaged hair types seeking visible, healthier-looking results Designed to revive lackluster hair, this treatment pack supports a moisture-boosting routine for hair that has endured environmental stress, heat styling, or chemical services. Experience a noticeable upgrade in manageability and a healthier overall appearance with continued use.