In today’s world, the demand for cosmetic products is increasing at a faster rate than before, and companies have begun to manufacture cosmetic products to cater to the needs of local and international users. This paper aims to explore the relationship between celebrity endorsement, promotional activities, packaging, brand image, and green consumer buying behavior in the cosmetic industry of Pakistan. It also examines the mediating role of the brand image between celebrity endorsement and green consumer buying behavior. The data was collected primarily through a 5 Likert scale questionnaire from the females of the four renowned Universities of Pakistan. The Partial least square structural equation modeling (PLS-SEM) using ADANCO 2.0.1, used for data analysis, and the sample size contained 190 respondents. The findings revealed a significant direct relationship between celebrity endorsement, promotional activities, packaging of a product, and brand image with the green consumer buying behavior (Green CBB). Partial mediation was found between celebrity endorsement and green consumer buying behavior. This study has implications for practitioners and researchers interested in investing in green consumption in Pakistan.