Mode of action:vitrocure is an osmotically active hypertonic solution which forms a film over the lesion and instantly attracts hypotonic liquid. this mechanical process cleans the lesion from all the contaminants, reduces pain and accelerate healing.directions:for topical use only.apply a few drops of vitrocure directly over the ulcer, 3 - 4 times per day.avoid eating or drinking for 10 - 15 minutes after each application.