This Research aims to study the satisfaction with Herbal Hair Serum on the customer’s decision to use the Service at Applied Thai Traditional Medicine Clinic in Bangkok, Thailand and how the customers’ demographic background affected their satisfaction. A quantitative research methodology. The period of study was between February and March 2018. The research sample consisted 80 customers on using the service at Applied Thai Traditional Medicine Clinic, obtained by simple random sampling. A questionnaire was used as a tool to collect the data. The data were then analyzed by descriptive and inferential statistics. The research results showed that demographic factors including: age, gender, and salary were found to have an influence on their product satisfaction. And the customers were satisfied with overall a most level.
Keywords: Satisfaction; Service; Herbal; Demographic factors; Customers