An intensive, rich, repairing and strengthening hair mask for extremely damaged hair which has been chemically overtreated and physically stressed and is therefore prone to hair breakage. The free-from* formulation, combined with the Double Bonding Technology, penetrates deep into the hair fiber, building new fiber bonds and providing resistance to repeated damage. In addition to the double bonding technology and intensive free-from* formulation, contains additional nourishing ingredients that target the weak areas of the hair and provide a thorough restoration It creates new fiber bonds that reconnect broken keratin chains while sealing each strand of hair, for extremely strong hair that lasts and improves combability. Non-weighing, even on fine hair. *Free of silicones and artificial colorants. Free from ingredients of animal origin. Directions of use Apply a plum-sized amount (25-30g) to clean, damp hair. Rinse thoroughly after 5 minutes.