Colombo Propolis Wound Spray consists of a concentrated propolis extract. Propolis is 100% natural with a rich source of many herbs with a medicinal effect and vegetable products collected by bees. This makes propolis have a strong anti-bacterial and anti-fungal characteristic. Propolis sticks to tissue and is not water soluble so it will stay on the wound for a long time and protect the wound against reinfection with bacteria or fungus.