| Summary: | The purpose of this paper is to develop a sampling frame and develop a probability-based sampling design for Muslim consumers who have experience in purchasing halal cosmetic products from various website in Malaysia. A 'sampling frame' is the sampling units in a population and their locations. It may consist of a listing of sampling units, or it may be based on a map of the population area within which sampling units can be observed. For Muslim consumers with experience in purchasing halal cosmetics from websites, it is common for no list of individual to exist. After the sampling frame of Muslim consumers was established, the probability sampling technique was used to determine the sampling size. The results are beneficial for researchers to serve as a guideline to conduct quantitative research. © 2024 American Institute of Physics Inc.. All rights reserved.
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