Abstract: Background: Hair is one of the outermost parts of the body that hard to be avoid from sun exposure. Sunlight contains UV-A and UV-B which can damage hair health. One of them is treatment with natural shampoo ingredients that have antioxidant activity. The purpose of this study is to obtain a shampoo preparation of yogurt ingredients and green betel leaf extract that has antioxidant activity with the best concentration. Materials and Methods: The tools used in this research are digital scales, hot plates, thermometers, pans, Erlenmeyer, beaker glass, measuring cups, tissue, gloves, parchment paper, stir sticks, spatula, horn spoon, dropper pipette, watch glass, mortar and stamper, jar, shampoo container, pH meter, Brookfield viscometer, and UV-Vis spectrophotometry, sonicator, cuvette, micropipette..........
Key Words: Hair, Shampoo, Yogurt, Green Betel Leaf Extract, Antioxidant.