Our premium eyelash extensions adhesive ULTIMATE BOND features an extremely fast adhesion with 1-2 seconds dry time and a long lasting bond retention of 6-8 weeks. - It has a thin viscosity for ease of application, suitable for sensitive eyes. - It performs best in low 50-65% relative humidity and a temperature around 18-25 degrees celcius. - Can be used with Classic & Specially Volume lashes. - Professional Used Only.