STEP 1: Soak the pad, with the soiled side down in cold, soapy water for up to an hour. Remove pads and discard the dirty water in the toilet. Rub with laundry soap to remove any small marks and wash thoroughly.
STEP 2: Soak again in clean, cold water with 2 teaspoons of white spirit vinegar, for at least 30 minutes. Wring and rinse until the water runs clear.
STEP 3: Hang up to dry near an open window, out of direct sunlight to prevent damage to the waterproof layer. Should you wish to hang them in the sun, you can do so but only for an hour.