ABSTRACT Background: Green Tea, Is One of The Herbs That Have Been Proven To Be Effective As An Anti-Acne, Among Others. Green Tea Leaves Contain 30-40% Polyphenols Known As Catechins Most of Which Are Antimicrobial. For Ease of Use, The Ethanolic Leaf Extract of Green Tea Is Made In Cream. This Study Aimed To Determine The Effect of Variations In The Concentration of Ethanolic Extract of Gree…