To keep you chamois leather in tip top condition rinse it well with warm water and lather it with normal hand soap. Rinse the soap and dirt under warm water and then lather in some more soap. Do not rinse the soap out the second time, rather squeeze it dry and leave the chamois cloth to dry naturally, away from direct heat. Leaving the soap in the skin helps to keep your chamois supple and soft.
The next time you need to use your chamois, rinse it in warm water, squeeze it dry and it is ready for use.