This study aims to determine the effect of product diversity and digital marketing on consumer buying interest at MS GLOW in Langsa City.  This study used a sample of 96 respondents who used MS GLOW products in Langsa City.  This study uses a quantitative approach obtained by distributing questionnaires using a Likert scale.  The method used is multiple linear regression equation, t test, F test and coefficient of determination test.  The results of the t test prove that product diversity has a significant effect on buying interest, digital marketing has a significant effect on buying interest at MS GLOW in Langsa City.  The results of the F test state that product diversity, and digital marketing have a significant effect on buying interest at MS GLOW in Langsa City.  The result of the coefficient of determination test (Adjusted R²) has a value of 0.368 or 36.8% affecting the buying interest of MS GLOW in Langsa City.  While 63.2% is influenced by other variables not examined such as price quality, promotion, brand image.
                        
                        
                        
                        
                            
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