Wahyuni, R. S., H. Hasriyani, and F. Arif. “Formulation and Physical Evaluation of Liquid Shampoo Combining Patchouli Leaf Extract and Coconut Oil As an Antidandruff Shampoo”. Advances in Healthcare Research, vol. 3, no. 2, June 2025, pp. 148-66, doi:10.60079/ahr.v3i2.516.