Chris Weidman Biography, Wiki, Net Worth, Wife, Record, Next Fight Nacricare Sweet Itch Pack. Derma horse: Supports natural healing Soothes itching Hydrates and nourishes the skin Helps keep mosquitoes away. Designed to address sweet itch (SSRD) and skin allergies in horses. Product details Fly Away fly spray Helps repel insects Particularly effective at repelling Culicoides midges Its natural formula allows application directly on wounds Helps accelerate the wound healing process Contains natural sun protection.