A topical herbal formulation for preventing and/or treating dyshidrosis (pompholyx), non-responsive to topical steroids. The formulation may also be used to treat contact dermatitis, eczema, palmoplantar pustulosis and skin infections incurred by invasive pathogens such as mold, fungus and bacteria. The formulation is comprised of plant extracts and niacin, that when combined yield an effective multi-faceted pharmaceutical approach to treating dry skin disorders.