Eyelash extension adhesives is the main and most important factor to attach lashes to your clients’ natural eyelashes. While it may seem obvious, using good adhesives correctly will help your lashes have better retention. Low-quality adhesives will ruin your work and affect your clients’ eyes. The Ultra Hold Glue is cyanoacrylate based which means it is medical grade using the highest quality ingredients. Featuring durability, flexibility and long adhesion up to 8 weeks with only 2 second dry time for fast application! Use at room temperature and ensure the ultra hold glue is shaken vigorously for 45-60 seconds prior to use.