With cold and flu season upon us, ads for automatic soap and sanitizer dispensers make these gadgets look like the must-have solution for cutting down on mess and promoting frequent hand-washing ? but are they worth buying? Their big selling point is that since they?re touch-free, they don?t spread germs among users. An infrared sensor ?sees? a user?s hand and dispenses a measured amount of liquid. While ads usually focus on liquid soaps and sanitizers for hands, automatic soap dispensers can also be used to dispense moisturizer, shampoo, conditioner or dish detergent.read more
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