Purpose: The purpose of the paper is to explore the role of brand loyalty on buying behaviour of cosmetics among women in the city of Bangalore. It aims to find out how brand name, product quality, price, design, promotion, service quality, and retail environment influence the purchase decision of cosmetics. Research Design/Methodology: The survey was collected on a random sample of 382 female cosmetics consumers aged between16 to 42. The survey was distributed at Bangalore city. This study used one-way ANOVA, descriptive analysis, and Pearson correlation. This study used one-way ANOVA, descriptive analysis, and Pearson correlation. Findings: According to the research of this study, the brand name, product quality, pricing, promotion, service quality, and store atmosphere are the six characteristics of brand loyalty that are appropriate in Bangalore context. The results showed that consumers' decisions to become brand loyal customers are significantly influenced by the quality of the products.