WADHI, M.N.P. et al. 2026. In Vitro Effectiveness Test of Anti Acne Gel Formula in Combination With Natural Ingredients. JURNAL KESEHATAN, SAINS, DAN TEKNOLOGI (JAKASAKTI). 4, 3 (Jan. 2026), 168–182. DOI:https://doi.org/10.36002/js.v4i3.4978.