How can magic in gold jewelry be undone, does it harm the wearer, what is the ruling on undoing it by urinating on it or sprinkling it with salt and reciting the Qur’an, and what are the legitimate ways to undo it?

Sorcery is among the gravest sins and can amount to polytheism (shirk (definition)) and disbelief (kufr) if the sorcerer seeks aid from jinn. It can be performed through clothing or jewelry, and it harms those who use them, by Allah's permission. The remedy for sorcery is through ruqyah (definition) (Islamic exorcism) and permissible medicines. If it is proven by experience or strong presumption that a certain method is beneficial in breaking sorcery, then there is no objection to adopting it, provided it does not involve any violation of Islamic law and is performed by a trustworthy person who possesses knowledge of methods for breaking sorcery. As for the method mentioned in the question, which stipulates that a virgin must perform it immediately upon waking, it is suspicious and appears to be among the claims of charlatans. Similarly, regarding sprinkling salt: if its benefit is proven by a trustworthy statement, then there is no objection; otherwise, it is impermissible. Many believe that sprinkling salt repels envy and the evil eye, which is a corrupt belief.