You should try aromatherapy to get rid from here. Some Essential oil like witch hazel. This plant is rich in astringent that is an excellent cure for skin rash. Boil a pint of water and then add an ounce of witch hazel bark. Simmer for 10 minutes and then strain and cool. Soak a clean cloth in the solution and apply it on the skin rash. Leave for 30 minutes and then wash.