Acne is a common skin disorder in teenagers. The causes of acne are related to infection by Propionibacterium acne (P. acne) and inflammation. In collaboration with Professor Wu from National Cheng Kung University, we discovered a small molecule compound which has a strong bactericidal activity against P. acne as well as a potent anti-inflammation property; in addition, this compound has been widely used as the key ingredient in various oral anti-tussive medicines, therefore Taking advantage of this new finding, Blue Blood is developing Acnex, a new Works topical drug for acne. on the formulation and assay developments has been completed, currently, working with GLP facility to set up the pre-clinical pharmacology and toxicity studies.