Ardell LashTite Adhesive for Individual Lashes. LashTite Adhesive is a longer lasting adhesive and is used on individual lashes only. It can hold lashes for weeks. Specially formulated and waterproof to hold lashes securely and comfortable day after day. Ardell LashTite Adhesive is designed for use with Ardell DuraLash individual lashes. This adhesive is specially formulated to ensure that Duralashes remain securely and comfortably attached day after day for up to 6 weeks. LashTite is available in clear and dark.