Shinta Putri Rahmawati, Septian Maulid Wicahyo and Annie Rahmatillah 2026. Hair Tonic Formulation of Green Spinach Leaf Extract (Amaranthus viridis L.) as a Hair Growth Agent for New Zealand Rabbits (Oryctolagus cuniculus). International Journal of Health Engineering and Technology. 4, 5 (Jan. 2026). DOI:https://doi.org/10.55227/ijhet.v4i5.558.