My girlfriend challenged me to design a hand sanitizer dispenser that was cooler than any product we could buy at Crate & Barrel

This dispenser effectively reduces resource waste from multiple perspectives: Firstly, it features a design that allows for easy refilling, with a lifespan of several years; Secondly, when the pump head is pressed, the liquid not only flows smoothly from the outlet into the bottle, but also flows back into the grooves reserved in the bottle body, completely recycling every drop of residual liquid; Finally, this design allows users to control the amount of usage at will - they can squeeze out more if needed or less if desired. In contrast, the commercial soap dispensers commonly available on the market often