Hello, I am a person who has acne problems on the neck and back. The doctor has recommended using sulfur to clean the skin. Can I use <a target=”_blank” href='http://www.myskinrecipes.com/shop/%E0%B8%A5%E0%B8%94%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%A1%E0%B8%B1%E0%B8%99%E0%B8%9C%E0%B...