Caution: This glue for professional use only, please never use it for self-application or with clusters or strip lashes, and please keep your eyes closed during grafting to avoid unnecessary irritation. If our products have any quality problems, please contact us, we will deal with the problem immediately after receiving your email. Customers' satisfaction is our greatest pursuit. Professional Eyelash Extension Glue: Fenshine lash adhesive has low viscosity, allowing lash artists to speeds up the lash extension application and preventing lashes from clumping together. Black adhesive give a natural look and leav? no trace behind. Long Retention Time: Fenshine lash glue is a perfect choice for professional lash artists. Maximum bonding power, can last 7-8 weeks. It can well resist the influence of temperature, humidity, water, grease. This powerful eyelash extension glue will help your clients to enjoy eyelash extensions without allergy. Fast Dry Time: 0.5-1 seconds drying time, this super strong eyelash adhesive is specially designed for highly skilled lash artists, maximize work efficiency and save huge time for you. It is the right choice for professionals. Safe & Premium Ingredients: Fenshine eyelash extension glue is formaldehyde-free and latex-free, using high-quality raw materials, through multiple tests and strict quality control, keep the lowest fumes and non-irritating, provide you the reliable and quality eyelash extension glue.