Whether applying as a leave-in treatment, transforming conditioner into a repairing mask or using as a finisher, get yourself a product that does it all! Alterna Haircare Caviar Anti-Aging Restructuring Bond Repair 3-in-1 Sealing Serum is a triple-action formula that instantly repairs, protects and seals damaged strands and split ends in one step. This serum intuitively targets, then seals cracks and fissures in the hair surface to instantly transform damaged or aging hair.