Horse Feed Supplements Medicated But Gentle Iodine With Aloe Vera. First aid shampoo provides your horse with a clean, shiny and soft coat. Treats fungus, rain rot, girth itch and skin disease The all-natural and non-irritating ingredients kill fungus, bacteria, girth itch, and stop the spread of skin diseases. It is an excellent option for horses with skin problems. Effective for a horse with sensitive skin and just a little bit works on an entire horse because the formula is concentrated. A little really does go a long way. All items are brand new, never worn and never used. We guarantee the authenticity of all items.