Falscara False Lash Clusters Bond & Seal is used as part of the Falscara eyelash system. The BOND is used to prime and prep the lash clusters, while the SEAL removes residue and holds the wisps in place. What’s so unique about Falscara? Unlike traditional falsies, Falscara wisps are tiny clusters of featherlight fake eyelashes that go under your natural lashes, so the bands aren't visible. That’s what makes them look so natural.