Why's Benzoyl Peroxide merely antibacterial, but NOT antifungal? Salicyclic Acid is both antibacterial1 and antifungal2.
1 Song, Xiaoqiu, Rui Li, Qian Zhang, Shoukui He, and Yifei Wang. 2022. "Antibacterial Effect and Possible Mechanism of Salicylic Acid Microcapsules against Escherichia coli and Staphylococcus aureus" International Journal of Environmental Research and Public Health 19, no. 19: 12761. https://doi.org/10.3390/ijerph191912761
2 Bénigne-Ernest Amborabé, Pierrette Fleurat-Lessard, Jean-François Chollet, Gabriel Roblin, Antifungal effects of salicylic acid and other benzoic acid derivatives towards Eutypa lata: structure–activity relationship, Plant Physiology and Biochemistry, Volume 40, Issue 12, 2002, Pages 1051-1060, ISSN 0981-9428, https://doi.org/10.1016/S0981-9428(02)01470-5.