When it's time to tighten or reuse Kera-Link hair, use Donna Bella Rebonds. They're made with 100% keratin and are fused to hair with the Melting Connector for a smooth finish. Rebonds can be placed on top of old bonds or on strands whose old keratin bonds have been cut off.
Rebonds can be used to tighten Kera-Link extensions, moving them