Skin wounds need to be cleaned and dressed. Contrary to many myths, wounds that are kept moist heal better than those exposed to the air. Protecting the wound with a dressing provides a moist environment that encourages the surface skin cells to migrate across the gap and join up. Put simply a 'dry wound' is a 'dead wound'.
Letting a wound ‘breathe’ is a common cause of wounds failing to heal. Because farmers often keep knocking their wounds on hands and limbs they can take a long time to heal. Using a dressing would help the wound heal. Other causes of wounds failing to heal are ongoing trauma, infection, deep burns, skin cancers or underlying medical conditions such as diabetes. All making undertaking daily farming tasks more difficult.