Which best specifies the function of hydrates in a wound dressing?

The function of hydrates in a wound dressing is to promote healing by keeping wound areas moist and sterile.

Hydration is essential in the wound healing process, as water is the primary way that oxygen and nutrients are delivered directly to the wound bed. Dehydration is one of the most common reasons why cell function becomes disrupted. Lack of fluids would therefore delay all the aspects of wound healing.