Hi Hunni,
I have just got 3 Persians myself 2 weeks ago on saturday.
1 Exotic short haired and 2 long haired.
I have to clean the long hairedones eyes every day and the short haired one less often.
You can use just warm water and cotton wool. Ive heard a Slicker brush is good i'm looking for one.
A mild baby shampoo/conditioner is good to use and they need grooming daily to prevent knots.
This is some of the advise i was given i hope it helps.
I set up a Persian group on here, feel free to join.
Can't wait to see piccies of your new furbaby.