Most cats hate to be wet, but given that the cure for Persian sector is an important day, it may be a good idea to try to get a cat being bathed your Persian used every 2-6 weeks, which is usually about what will be needed as they age.
The best way for small cats and Persian cats groom is the use of large metal comb, because that is the most effective in maintaining separate furs, and free from significant hair loss. "It is very important to make sure the comb down behind the ears, as well as under the gun, because this is where most cases of mats tends to start.
When it became necessary to give the Persian cat bath, you must do so in a room warm and dry. Fill the tub with an inch of hot water, and then slowly lower the cat in the tub, and petting him as you do.