Styling your hair system is very important and needs to be done with extreme care. Synthetic wigs are very sensitive to heat and need to be only heated if done by a professional or if the wig is a high end heat resistant fiber.
Take care of human hair wigs
That being said, a good quality human hair can also be styled, blow dryed, ironed or curled with hot tools. As long as you do it gently and without burning the hair.
Try to use professional tools as well as products when working with your hair system.