I do not like doing my hair. I am mixed with curly hair. I hardly go thru the trouble to straighten it becasue, perms dont take, I hate that burnt hair smell from flat ironing & rollers take too much time, just for a stlye to last until it gets humid. My mother sent me this AND I LOVE LOVE LOVE it. I wash my hair. May or may not air dry, blow dry or even all wet and use this to dry. But it straightenes TOO! And I have a friend who has nornal hair and she loves it. My sister locves using it on both her hair and her sew-in hair. The bad review, cant say what went wrong. But Im on here now looking for one for a friend (because I really dont want to let mine go).