The purposes of this research were (1) to study the usage behavior of social media for the purpose of reading or viewing beauty products based on blogger recommendations (2) to study factors of blogger recommendations of beauty products (3) to study the behavior of decision making to purchase beauty products based on blogger recommendations (4) to study personal factors and behavior of decision making to purchase beauty products based on blogger recommendations (5) to study the relation between the usage behavior of social media for the purpose of reading or viewing beauty products based on blogger recommendations and the behavior of decision making to purchase beauty products based on blogger recommendations and (5) to study the relation between factors of blogger recommendations of beauty products. 400 persons were included as a sample. The data was gathered by using questionnaires and being analyzed by methods of calculating frequency percentage average standard deviation one-way ANOVA and multiple regression analysis. The results of the research were as follows; Considering the usage behavior of social media for the purpose of reading or viewing beauty products based on blogger recommendations. It was found that most consumers decide to purchase beauty products because of an interesting product presentation and the facial beauty products are the most purchased products by the consumers. In an overall picture the consumers agree with the factors of blogger recommendations of beauty products at a very good level and the factor of blogger is the most agreed factor.

The Objectives of this research aim to study about demographic factors which influence customers’ behaviors for online products and to study about the importance of marketing mix factors of customers. This research also study about the relationship between marketing mix factors and customers’ buying decision for online products. This research collects data from 384 online questionnaires and then analyzes data with Chi-Square test and Chi-Square Correlation. The research reveals that the difference of demographic factors influence to customers’ buying decision for online products by genders age education occupation average revenues and marital status. The customer recognized marketing mix factors as an important level which consistent to Kotler and Armstrong (2009) model. They indicate that marketing mix factors influence buying behaviors of customer. The most important of marketing mix factor from customers’ perspective is the process factor. The marketing mix factors (Product Price Place Promotion People Process and Physical Evidence) are related to customers’ behaviors in some aspects. The findings suggest that entrepreneur should pay more attention on the marketing mix by presenting unique online products to make differentiate from the other products in common shop. This might motivate customer’s behaviors for buying more online products. Moreover entrepreneurs should precisely focus on quality of products because consumers always complain about quality of products which exaggerated from advertisement. From this reason make consumers gain negative attitudes from buying online products which affect to next buying from customers.

The objectives of the study were 1) To Study Related Demography to Dietary Supplement Product Certified by the Food and Drug Administration (FDA) 2) To Study Related Demography to Marketing Communication Tool for Social Media 3) To Study Related Marketing Communication Tool for Social Media to Dietary Supplement Product Certified by the Food and Drug Administration (FDA). The study was a quantitative research. A sample was selected from people who bought Dietary Supplement Product Certified by the Food and Drug Administration (FDA). The sample group was 400 graduation. Representative sample the instruments in the study were 1) the questionnaire 2) the frequency percentage and mean were the parameters used for statistical analysis and Chi-square Correlation. The findings indicated that single females age between 19 - 29 years old. Monthly income between 10000 – 20000 baht. Objectives of using social media To Communicate through Facebook. Social media exposure time is 1.00 - 6.59 PM. Convenience is the reason for buying Dietary Supplement Product through social media. And Find Dietary Supplement Product through social media information manually. The hypothesis test was found Factors of Age Education Career Objectives of social media Duration of use Social Media Marketing Communication Tool for Social Media correlated to Dietary Supplement Product Certified by the Food and Drug Administration (FDA) and Factors of Sex Age Career correlated to Marketing Communication Tool for Social Media. Was statistically significant at .05 level