The Flex-Pro K-Beauty eyelash glue makes gluing eyelashes much easier for you. Due to its very high flexibility, which is characterized by particular tenacity and quick drying time, the glue should not be missing from your inventory. The drying time for the Flex-Pro depends on the humidity: 30 - 40% drying time 1.5 sec. 40 - 50% drying time 1 sec. 50 - 70% drying time 0.5 sec.