Our clear and mild foam hand soap is dye free and fragrance free. Each new refill comes with its own energy source a coin cell battery thats integrated into the refill. When you replace the empty refill, you get fresh product and fresh energy in one simple step. Back up power inside the dispenser provides added assurance of high performance — even with extreme high frequency use. PET bottle and refill components are easy to disassemble, including removal of the battery.