Как пишется hairdrier или hair drier

hair dryer - переводится словом фен

Примеры потребления этого слова в предложениях:

I always use the hair dryer in the evening when I wash my head before the school. I like to buy a hair dryer in the store, because there is a large selection. This hair dryer dries the head well, so I buy it. The girl loves this hair dryer because she often bathes. Girls use the hair dryer more often than boys. I like to use a hair dryer because my head dries for a long time. I take a hairdryer with me on tourist trips because I always washed my head.