BOND BUILDING PRE SHAM TRTMT 4.23OZ. Benefits: Repairs and restructures weakened hair from within to reverse damage.. More than rebuilding a single bond, this treatment rebuilds 3 structural bonds (disulphide, ionic and hydrogen) to repair hair holistically. (*based on maximum efficacy measurements assessed by clinical scoring, **based on clinical study with 20 women with bleached hair). Key Ingredients: Bond Building Technology: An innovative polymer protects, strengthens and repairs hair holistically from the inside out. It rebuilds the hairs structural bonds (disulfide, hydrogen, ionic bonds) that are broken by bleaching and chemical treatments.. Protective Botanical Oils: Rich in essential fatty acids, pomegranate and apricot oils form a protective layer on the hair surface. Softening and smoothing your strands, this seal nourishes strands while preventing moisture loss that weakens hair.. :