This study on impact of service quality is based on the five dimensions of service quality, which are tangibles, reliability, responsiveness, assurance, and empathy. In this study, 397 customers of Dr. Wai Clinic were engaged, whose survey responses and metrics were processed using the SPSS. Findings revealed that the reliability dimension of the service quality is the highest influencing satisfaction factor and responsiveness dimension is the lowest satisfaction factor. In general, customers have expressed a good level of satisfaction by the service quality offered by Dr. Wai Skin Clinic. Moreover, it was found out that tangibles, reliability, assurance, and empathy dimensions brought higher customer satisfaction while responsiveness dimension needs to be improved in the services of the clinic. Certainly, high level of service quality improves the customer satisfaction level, which in turn increases the potential of the skin care business sustainable.