2025. Formulation and Stability Tests of Hair Tonic from Oil Palm (Elaeis guineensis Jacq.) Leaves Extract and Effectiveness in Protecting Hair. Journal of Tropical Pharmacy and Chemistry . 6, 2 (Feb. 2025), 144–153. DOI:https://doi.org/10.30872/j.trop.pharm.chem.v6i2.248.