Fan Medicated soap is one of the renowned herbal self-care products of China. This daily soap is medicated with camphor oil which has incredible antifungal, antibacterial, and anti-inflammatory properties. As such, it has been used topically to clease, relieve arthritic pain and muscle soreness, alleviate itchiness, and treat foot and toenail fungus. It may also reduce muscle spasms and cramping and relieve respiratory congestion.