Laser-Wrapped Promade lashes - medium wide fans 4D 0.07Boostific Wrapping laser technology promade lashes are produced using a special manufacturing process that specifically prioritizes durability and secure adhesion. At the base of the fans where the fibers are joined with heat bonding microscopic indentations are created during the laser process. These fine, almost invisible structures allow the eyelash adhesive to sit deeper and more evenly into the base of the fan. The result is a more stable bond