FAST DRYING: The Eyelashes adhesive has been designed for lash artists with high skills. Even in the presence of high humidity, it only takes 1 second to dry! LONG LASTING: With its retention lasting up to 8 weeks, this Super Glue has been formulated with an incredible bonding and retention period making it a unique tool for advanced lash extensions stylist. FOR PROFESSIONAL USE: This glue should NEVER EVER be used for self-application; it has been designed for professional use only! Allow no contact with your eyes nor skin. PROTECTIVE PACKAGE: We take care of our clients by packing our Super Glue with a black glue needle and a silica gel to extend the life of the adhesive after and before opening. QUALITY ASSURANCE: We are relentlessly pursuing the health of you and your clients by providing the highest premium quality products. This product complies with the ISO 9001(Quality management) standards and ISO 14001(Environment management) standards. Formaldehyde and Latex FREE. Our Eyelash Extensions Super Glue was developed for professional use, approved by ISO 9001: 2015 to guarantee your safety. This glue takes 1 second of drying time, 6 to 8 weeks of long retention. Ideal humidity-35-55% RH. Does not contain formaldehyde, and does not contain latex.