Professional Use Only: OMG FAST lash extension glue is designed for professinal lash artists. Be sure to keep your clients' eyes closed during apply eyelash extensions. It can not be used for any self applications such as strip lashes, individual lashes and cluster lashes. DO NOT USE IT ON YOURSELF. | 0.5S Fast Drying: This eyelash extension glue is suitable for advanced and expert lash artists. The moment of eyelash contact can be firmly stuck, which greatly reduces grafting time. | 6-7 Weeks Retention Time: OMG FAST lash glue with low viscosity can adhere quickly without clumps and dragging. Advanced formula makes our eyelash extension glue have high flexibility. Your eyelash extensions will not easy to fell off under external force such as washing face. | Comfortable Experience: Our Waterproof eyelash glue for lash extensions does not turn white or stiff. Clients will not experience itchy or uncomfortable eyes after lash extensions. | How to Store? Clean the eyelash glue attached to the nozzle after each use and put the lash glue into the glue container(not fridge) in cool dark area. The best temperature for this lash extension glue is 23-27°C (73.4°F - 80.6°F) with perfect humidity conditions being 50-65%