Translation:She blow-dries her hair with a hairdryer.
No, "å føne håret" and "en hårføner" are the only words I can think of. So hairdressing only. Obviously you also have a word like "fønvind" which is a light, warm wind. Someone correct me if I am wrong!
It looks like the same thing, even if in Norway you would not see the enormous changes in temperature described from Switzerland.