This research is intended to be used as a guideline for the study of decision making in choosing a skin aesthetic clinic. The study was conducted from a sample of 400 randomized sets. The instruments used were questionnaires. The data consisted of demographic characteristics including 26.8% males and 73.2% females 53.0% aged between 20-30 years 60.0% bachelors degree holders 37.3% an employee of a private company and 33.5% average monthly income of 20001 - 30000 baht. The results showed that the service marketing mix factors (7Ps) of skin aesthetic clinics including product or service price people or staff physical evidence and processes of service provision positively influent the decision to choose a skin aesthetic clinic. The results showed that the overall decision-making factors in choosing a skin aesthetic clinic service were averaged at 3.85 percent a high level. The highest aspect was the search for information followed by the problem awareness decision making and alternative assessment respectively.