T The rapid growth of social media has transformed electronic word-of-mouth (ewom) into an important source of information that influences consumers\\\' purchasing decisions, particularly for environmentally friendly cosmetic products. this study aims to examine the effects of perceived e-wom usefulness, trust, andperceived e-wom credibility on e-wom adoption and their subsequent impacts on green purchase attitude, subjective norm, and green purchase intention. a quantitative approach was employed using a survey method involving 250 users of environmentally friendly cosmetic products selected through purposive samplingunder a non-probability sampling technique. data were collected through an online questionnaire using a five-point likert scale and analyzed using structural equation modeling (sem) with amos. the findings reveal that perceived e-wom usefulness, trust, and perceived e-wom credibility have significant positive effectson e-wom adoption. furthermore, e-wom adoption positively influences green purchase attitude, subjective norm, and green purchase intention. green purchase attitude and subjective norm also significantly mediate the relationship between ewom adoption and green purchase intention. these findings highlight theimportant role of e-wom adoption in strengthening consumers\\\' intention to purchase environmentally friendly cosmetic products.