Kill-Aller Composition: Bepotastine Besilate 1.5% Eye Drop (BKC Free) Indication: Allergic Conjunctivitis Giant Papillary Conjunctivitis Eye irritation Itchy Eyes Watering Eyes Packing: 5ml Tray Pack Description Description Kill-Aller is a antiallergic brand which contains Bepotastine besilate 1.5%. Kill-Aller is a faster acting drug which has onset of action of 3 mins and persistence of action of 16 hours. It works best in itching, redness, watering eyes.