Alterna Caviar Anti-Aging Restructuring Bond Repair 3-in-1 Sealing Serum is designed to be a proactive and reactive powerhouse for damaged and aging hair. The triple-action concentrated formula consists of a biomimetic amino acid/lipid blend that imitates those naturally found in hair to help seal, repair and protect strands at their core. Formulated with Caviar Bond Enforcing Technology, this serum intuitively targets and seals cracks and fissures in the hair surface to instantly transform hair. Proven to significantly smooth hair while reducing breakage and split ends more than 99%