There’s a new technique in town called underlashing and now Duo has developed a versatile glue for it that lets you use the hack with any of your favorite fringes. Duo Bond & Seal locks any kind of lash in place for days while providing comfortable, non-irritating wear. The dual-ended tube features Black Bond on one side, Clear Seal on the other. Adhering false lashes underneath real lashes conceals the band for the most flawless, lifelike presence possible. The easy way to underlash with every lash. A perfect addition to your routine, Duo Bond & Seal is an exceptional 2-in-1 adhesive that turns any kind of lash (strips, individuals, clusters) into an underlash.