Along with changes in Economy, Tourism and the influence of foreign waves, the market of Food Service in Vietnam has also changed to meet the needs of customers. At many restaurants in Vietnam, customer satisfaction can greatly affect restaurant revenue. Therefore, it is essential to determine which perceived quality factors affect customer satisfaction. The survey was conducted through questionnaires collected from 329 respondents, who experienced in restaurant services in Vietnam. In this paper, four factors are found that have influence on customer satisfaction in restaurants: Service quality, Product quality, Environment and Price. In addition, the research also gives some contributions based on the research results, helping businesses understand customers and meet customer satisfaction requirements in the restaurant.

Men's grooming products are very diverse and plentiful in the world today. In recent years, Vietnamese men have approached beauty trend, the old conception of beauty is also gradually changing. The demand for male beauty in Vietnam in recent years indicates that men's awareness of beauty products. The potential for grooming products for men in Vietnam is huge, but in-depth studies on this topic are limited. It is important to have specific studies analyzing the consumption of grooming products for men in Vietnam, contributing to promoting the potential of these products for business benefits. The study collected data from 458 respondents are male, analyzed the factors affecting consumer attitudes, thereby opening a specific view on men's grooming consumption in Vietnam.