Wound care just leaped from weeks to hours. Researchers unveiled "super skin" hydrogel that's rewriting everything we know about healing. Traditional bandages are passivethey cover injuries and hope your body does the How long can hydrocolloid dressings be left in place Major Medical Hydrocolloid Wound Dressings in South Africa TYPES OF WOUND DRESSINGS: 1. Gauze Dressing Provides basic mechanical protection to the wound Used for cleaning, covering, and absorbing minimal exudate Suitable for minor wounds and low exudate wounds