One straight piece

Who-hoo, I finally got a glorious curl! There's one straight piece in the Very Front of my part that drives me up a wall because it has like only one small kink, then straight.I was thinking of over night, winding the lock of hair around a small piece of bandana and tying it like in the olden days before perms (winding the lock like I would around a perm rod). I wondered if this works and if it would last. Also, is there any professional products I should use for recently-permed hair to keep the curl and not have waxy build-up. I like the smell of Paul Mitchell and the stylist used it.Thank you for your help!Wendy