This is how I get a imperfect messy/curly look. I used a conair 1 inch iron. Price is around $18 at any drugstore.

 

logo Imperfect Wavy/messy/curly Hair W/a Curling Iron
ELITE Hot Ceramic Flat Hair Iron 1 Curling Lavender
ELITE Hot Ceramic Flat Hair Iron 1 Curling Lavender
Paypal   US $25.99
In Styler Flat Iron Curling Hair Care InStyler w Box
In Styler Flat Iron Curling Hair Care InStyler w Box
Paypal   US $29.99
CERAMIC CRIMPING IRON HAIR CURLER CURLING PINK P501P
CERAMIC CRIMPING IRON HAIR CURLER CURLING PINK P501P
Paypal   US $58.99
AMIKA HAIR FLATTENING IRON AND CURLING IRON IN 1 PINk
AMIKA HAIR FLATTENING IRON AND CURLING IRON IN 1 PINk
Paypal   US $24.99
CORTEX TOURMALINE HAIR CURLING IRONCURLER1 INCHPINK
CORTEX TOURMALINE HAIR CURLING IRONCURLER1 INCHPINK
Paypal   US $29.99
GINALLI MILANO 25mm HAIR CURLERCURLING IRON NEWBLACK
GINALLI MILANO 25mm HAIR CURLERCURLING IRON NEWBLACK
Paypal   US $39.98