common sense of hair dryer selection:

1. ‌powerthe power of the hair dryer directly affects its heat and air volume. the higher the power, the stronger the wind, and the faster the hair is dried. for users with longer or more hair, it is recommended to choose a hair dryer above 1600w.1.

2. ‌hair care functionmodern hair dryers generally have a variety of hair care functions, such as negative ions, constant temperature, nano water ions or collagen hair care. these functions can improve hair quality and make hair more soft and shiny.1. for example, negative ion technology can reduce static electricity and frizz of hair and make hair more supple1.

3. ‌noise★: even high-end hair dryers will produce some noise, but good hair dryers have less noise during use and are more comfortable to use.1.

4. ‌appearance and portability★ choose hair dryer with beautiful appearance and good texture, compact body, easy to carry, suitable for business trip or travel1. for example, some hair dryers are designed to be very compact, easy to carry, and have multiple functions, which are suitable for use on the road.1.