Biolage Hydra Source Deep Treatment Mask is an ultra-hydrating, rinse-out treatment designed to restore moisture and softness to dry, dull hair. Enriched with aloe and spirulina extract, this rich, creamy formula deeply nourishes and replenishes parched strands, improving manageability and shine in just one use. Hair feels noticeably softer, smoother, and healthier, with long-lasting hydration and a vibrant, revitalized look. Ideal for dry or dehydrated hair types.