Rust stains in the hair are typically a result of too much iron in the water. Rust stains should not be removed by bleaching. Using clarifying shampoos can help minimize rust stains in the hair.
Rinse the hair with vinegar and cream of tartar
Mix a solution of white vinegar and cream of tartar. Apply the solution to the hair, and let it sit for 10 minutes. Rinse it out.
Soak the hair in lemon juice
Apply lemon juice to the hair, and leave it in for 10 minutes. Rinse it out.
Shampoo with products designed for gray hair
Add a tablespoon of baking soda to a shampoo designed for gray hair. Shampoo with this solution. The blue coloring of the shampoo helps to neutralize the red stains caused by rust on a temporary basis.