It's very safe and approved by thai FDA. Treat : Relief ringworm, Scrabies, Scald Head and Athlete's foot (Hong Kong foot). Ingredients : Each 1 gram contains, Salicylic Acid 40 mg, Benzoic Acid 80 mg, Sulphur, Precipitated 100 mg, Camphor 90 mg, Petrolatum to make 1 mg.
eBay