Dish soap, especially if antibacterial ... my brushes started to look a lot cleaner. White vinegar is a natural cleaning product and disinfectant. It can also be very strong, so it's important ...
Scrub it off with a wet sponge after 10 minutes. Mix equal parts of distilled water, lemon juice and white vinegar in a spray bottle. Shake and spray on the insides. Clean after 5 minutes. Rub off the ...