Bonacure R-Two mask restructures, repairs and strengthens very damaged hair that has been subjected to excessive chemical and physical treatments. Nourishes, detangles hair and makes it easier to comb. It does not contain silicones, artificial colors or ingredients of animal origin. Vegan product. Key benefits: • Intensively restructures, repairs and strengthens the integrity of the hair • Deeply nourishes and makes hair easier to comb • Does not weigh down thin hair • Does not contain silicones and artificial dyes Technology Double Bonding technology is the secret to R-TWOs breakthrough, immediate and long-lasting results. Transformative Double Bonding Technology actively repairs broken bonds while creating new bonds in the hair fiber. Immediately strengthens the internal matrix of the hair fiber and the alpha-spiral structure of the hair fiber, increasing the fibers potential for regeneration after deformation. Each individual fiber will become stronger and more resistant to repeated damage in the future - with excellent strength and increased durability.