Eyelash Extension Supplies Black Glue H900 is the perfect premium lash adhesive for experienced lash technicians. With an incredibly fast drying time of 1-2 seconds and the longest retention period on the market, your clients will leave you feeling loved and become lifelong happy customers. * Drying time: 1~2 sec * Lasting time: 7-8 weeks * Bonding Strength: Excellent * Using: for Professional * Color: black * Pack/Volume: Pack 2 x 3g * Quality Assurance * Made in Korean PRECAUTIONS - Please only use this product for eyelash application - Do not let glue touch skin and eyes - After opening, keep the cap closed and discard it after 2 months from opening - Avoid direct sunlight 1 hour before the procedure and store at room temperature - During the procedure, there may be a shortening of the eyes, but the glue disappears completely as the glue is completely cured - Ideal environment for eyelash extension is 25C ~ 28C temperature and 50 ~ 70% humidity