Wardania, T.S. et al. 2026. Formulation of Gold (Au) Nanoparticles Serum Containing Sunflower (Helianthus annuus L.) seed extract from Indonesia as an antibacterial: in vitro and skin irritation assessments. Iranian Journal of Pharmaceutical Sciences. 22, 1 (Oct. 2026), 404–417. DOI:https://doi.org/10.22037/ijps.v22i1.51497.