Umi Khoirunnisa, Tatiana Siska Wardani and Anna Fitriawati 2025. Formulation and Physical Stability Test of Anti-Mosquito Lotion Preparations Combining Lemongrass (Cymbopogon citratus) and Cosmos caudatus Kunth. Extracts. International Journal of Health Engineering and Technology. 4, 4 (Nov. 2025). DOI:https://doi.org/10.55227/ijhet.v4i4.390.