Figure 1.

Hand sanitizer gels (HSGs) possess favorable sensory characteristics, exert a certain degree of control over bacterial transmission, and can be applied in various scenarios. (a) Hand hygiene products with good sensory properties, including pH similar to skin, as well as appropriate viscosity and spreadability; (b) HSGs can control the spread of bacteria in various environments to a certain extent and significantly reduce the transfer of microorganisms, thus effectively reducing respiratory and gastrointestinal infections; (c) The versatility of HSGs extends to multiple scenarios, embracing outdoor activities, supermarket shopping, health centers, domestic routines and other scenarios.