Is writing Quranic verses on skin diseases and performing Ruqyah upon them permissible?

There is no harm in writing the Qur’an with pure ink on a pure object for treatment, as Ibn Taymiyyah did by writing a specific verse on the forehead of someone suffering from a nosebleed. It is stipulated that it should not be written with blood or anything impure. Treatment and ruqyah (exorcism/incantation) are permissible as long as they do not involve anything religiously harmful, based on the Prophet’s (peace and blessings be upon him) saying: "There is no harm in ruqyah as long as it does not involve polytheism (shirk)."