Specifications:Persistency : ★★★★★Viscosity : ★Flexibility : ★★Stimulus : ★★★★Retention : 4 -5 WeeksColor : BlackLevel : IntermediateDrying Time : 2- -4 seconds a DO YOU WANT TO MAKE YOUR OWN BRAND INTO REALITY? We are offering customization, just for you. Click here: "Customize Your Own Glue" a WHAT MAKES IT DIFFERENT: Tailored for Professionals: Crafted to cater to the unique needs of lash masters. Its quick-drying formula allows for precise and efficient work, making it the ideal choice for professionals who demand perfection and speed. Versatile and Reliable: Whether you're creating classic lash sets or intricate volume fans, Upgrade Line Lash Glue adapts to your every need. Its versatility makes it the go-to choice for lash artists looking to push their creative boundaries. Confidence in Every Drop: Trust is paramount in the lash industry. Its dependable and consistent performance ensures that your clients walk away with lash extensions that exceed their expectations.