Pharmaceutical product claim and help-seeking advertisements have prompted the types and purposes of medical dermatology service(s) that patients have used in the United States. Indeed, researchers have demonstrated that 94% of working nurse practitioners affirmed receiving from their patients a request for a cancer drug advertised. However, adult dermatology patients members of Saint Nicholas Catholic Church or/and patients at MedStar Clinic in Houston, Texas, have not been of interest for any study so far. The purpose of this quantitative study was to assess the relationship between product claim, help-seeking, types, and purposes of medical dermatology services used amongst males and females aged at least 18 years. Prospect theory (PT) was the theoretical framework used to analyze the purpose of this study. A cross-sectional survey approach permitted to collect primary data from 120 participants who were members of Saint Nicholas Catholic Church or/and patients at MedStar Clinic. The results, based on a forced entry multiple regression analysis at 95% confidence interval, indicated that product claim and help-seeking significantly explained (p -?¤ .05) the variances of certain types and purposes of medical dermatology services used. Thus, product claim and help-seeking predicted the types and purposes of medical services used by the study population. Pharmaceutical announcers may benefit from the results of this study by using the study results to create new direct-to-consumers advertisements for the dermatology health promotion. The study population may benefit healthy skin, hairs, and nails by using medical dermatology services after exposure to the new pharmaceutical direct-to-consumer advertisements.