- for chronic wounds.- for bed sores.- for diabetic & venous leg ulcers.application:for topical use only.clean the wound with a cotton swab and physiological saline before applying vitroheal.according to the size of the injury, apply a sufficient quantity (1 to 5 ml) of vitroheal directly onto the wound surface so as to form a film over the entire surface.cover the wound with a bandage leaving some space for air circulation.repeat the same procedure 2-3 times (non exuding wounds) / 3-4 times (exuding wounds) a day in the beginning and at least once a day thereafter up to complete wound healing.close the tube and use the remaining product for further applications.mode of action:vitroheal protects the injury, keeps the wound clean and humid and helps to accelerate the healing of wound bottom as well as the borders. vitroheal is an osmotically active hypertonic viscous liquid that forms a protective film over the injury.