Regardless of how my picture looks my natural hair is curly. Sometimes I like to blow it out, but most days I leave it curly.I have found that the very best shampoo for it is Infusium. I use the shampoo, conditioner and the leave in treatment. It keeps the friz down and keeps it curly.
For me I am actually able to wash it at night if I let it dry before I go to bed. The trick is not to brush it. Ever. Use a pick or a very wide tooth comb and let it be messy, no one will realize it.