When you first get a perm, wait 48 before you wash your hair. After that, you can wash it every day or as needed. I wash mine every day because my hair is very fine. It all depends on your hair type.
Hair should be washed every other day, or every two days. Washing your hair everyday could make your hair damaged or dry. Although, if your hair is oily, then talk to your local haircutting place...
Never wash it 2 days in a row. Try to go as long as you can without washing it so it will not get dry and brittle. It is better for curly hair to wash with a silicone free conditioner..
You should wash your hair 2 times a week because if you wash them everyday then the natural chemicals from your hair wash out and they become greasy very often.
It depends on what kind of hair type you have. If you have a dry scalp you hsouldnt was your hair everyday because it can dry it out. If you have an oily or normal scaplp you can wash it everyday or...