Biolage Full Rescue Restorative Mask – 16.9oz is a deeply reparative, salon-strength treatment formulated to restore severely damaged, over-processed hair. Enriched with a powerful blend of nourishing ingredients, including vegan squalane and silk proteins, it penetrates deeply to rebuild the hair fiber, improve elasticity, and reduce breakage. The rich, creamy texture delivers intense hydration and softness, leaving hair visibly healthier, smoother, and more resilient after just one use. Ideal for those needing a full rescue and long-lasting repair.