Ardell Professional Individual Lashes Duralash Naturals (knot free) COMBO Lashes 6 Pack Refills (60075) for Ardell Intro & Professional Salon Lash Kits. Each refill comes with 6 sets of Naturals Combo Lashes, including Short, Medium, and Long length lash clusters. The lash craze is hotter than ever! Your clients will love you for offering these natural, high-quality individual lashes. Ardell 6 Pack Knot-Free Individuals Combo Black lashes are: Knot-free Weightless Safe & sterile Easy to apply & Affordable! Use with: Ardell LashTite Adhesive, Everlash Individual Adhesive, and Ardell LashFree Adhesive Remover.