Safety Information Keep out of reach of children. For external use only. Do not swallow. Indications Duo Eyelash Adhesive, Dark. Ingredients Active Ingredients: Water, Cellulose Gum, Sodium Dodecylbenzenesulfonate, Rubber Latex, Fragrance (Parfum), Formalin Solution, Ammonium Hydroxide Directions Put on your eye shadow, mascara and eyeliner before your false lashes. Apply a thin line along base of false lash. (Never apply directly to your eyelids. Let set for 30 seconds or until sticky. During this time, holding the lash by both ends of the base strip, flex it back and forth forming the shape of a horseshoe.