This 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 repair, protect, and seal 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.