Targets and repairs weak or broken bonds inside the hair. Reduces breakage by over 89% against combing breakage on damaged hair. Seals outer cuticles, visibly mending up to 90% of split ends with each use. Formula with peptides and amino acids help fortify and protect strands against everyday damage and environmental stressors. Reduces frizz. Provides humidity resistance for up to 72 hours. Thermal protection up to 450 degrees.