Tips: The shelves have been updated.The paste is firmer and the product is more perfect.Old models will be gradually replaced with new ones. How to use this soap dispenser properly: How to use this soap dispenser properly:1. Our soap dispenser is suitable for different types of hand sanitizers in the market. Foaming hand sanitizer can be used directly; if you use regular soap, we need to add 3 to 8 times more water to dilute it because other soaps have different concentrations. If you have a small amount of foam, you should add more water;2. It is strictly forbidden to use or add non-foaming soaps containing granules, powders, emulsions, etc., so as to avoid machine failure.3. Do not immerse the machine in water or directly rinse it with water to avoid short circuit; when cleaning, it is recommended to gently wipe the surface of the machine with a wet towel while the machine is turned off.4. Do not block the foaming nozzle with your hands or foreign objects.