Multidex Maltodextrin Wound Dressing. Maltodextrin NF wound dressing is clinically proven to maintain a moist environment beneficial for granulation tissue growth and epithelial proliferation. Gel is a hydrophilic Maltodextrin NF wound dressing clinically proven to maintain a moist environment beneficial for granulation tissue growth and epithelial proliferation. Quickly fills wound site, rapidly mixing with exudate to form a protective coating that maintains an ideal moisture balance to protect against dehydration.