| Summary: | Summary: Janus textiles with asymmetric wettability have shown great potential in wearable applications due to their ability to manage biofluids efficiently. This review summarizes recent advances in smart Janus textiles for biofluid control and monitoring, focusing on wearable technologies. We first introduce the design configurations and fabrication approaches of Janus textiles, including asymmetric generation and asymmetric decoration strategies. We then highlight their diverse wearable applications spanning personal thermal management textiles, sweat sensors, hemostatic wound dressings, and protective equipment. These textiles offer innovative solutions for directional sweat transport, enhancing cooling and humidity control, and providing antibacterial properties. Finally, we discuss current limitations in durability, biocompatibility, and manufacturing scalability, alongside emerging opportunities in the field of smart Janus textiles.
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