Skin as an outer layer of body and a main connection between the body and the environment is a way that pathogens can access the body; Therefore, it has a crucial protecting role for the body because of obstacle functioning and micobiota. Factors that seem to commonly contribute to the disease are follicular hyperkeratinization, propionibacterium acnes, sebum production, and inflammation; however, pathogenesis of acne vulgaris as an inflammatory skin disorder is still poorly understood. Google Scholar and PubMed databases were searched for all related articles, using the key words of zinc, diet, vitamin D, BMI, and acne vulgaris.