The hair dryer is used to dry, shape, blow straight, smooth and increase fluffy, elastic waves and curl for all lengths and types of hair.The working principle of the hair dryer is to remove moisture and heat the hair, so the salt bond and hydrogen bond will be re-linked into a new form. The hair dryer is best used when the hair is washed with shampoo, because the surfactant in the shampoo reduces static electricity. Stylists can use a specific modeling comb, usually round comb, and even fingers to make waves or straight hair. Other accessories include tufts and hoods. Match the mouth can quickly dry hair, concentrated airflow. Match the wind cover can enhance the natural elasticity of hair, dry natural curls.