<Ul> <Li> A diffuser is an attachment that is used on hair that is fine, colored, permed or naturally curly . It diffuses the jet of air, so that the hair is not blown around while it dries . The hair dries more slowly, at a cooler temperature, and with less physical disturbance . This makes it so that the hair is less likely to frizz and it gives the hair more volume . </Li> <Li> An airflow concentrator does the opposite of a diffuser . It makes the end of the blow dryer narrower and thus helps to concentrate the heat into one spot to make it dry rapidly . </Li> <Li> The comb nozzle attachment is the same as the airflow concentrator, but it ends with comb - like teeth so that the user can dry the hair using the dryer without a brush or comb . </Li> </Ul> <Li> A diffuser is an attachment that is used on hair that is fine, colored, permed or naturally curly . It diffuses the jet of air, so that the hair is not blown around while it dries . The hair dries more slowly, at a cooler temperature, and with less physical disturbance . This makes it so that the hair is less likely to frizz and it gives the hair more volume . </Li> <Li> An airflow concentrator does the opposite of a diffuser . It makes the end of the blow dryer narrower and thus helps to concentrate the heat into one spot to make it dry rapidly . </Li> <Li> The comb nozzle attachment is the same as the airflow concentrator, but it ends with comb - like teeth so that the user can dry the hair using the dryer without a brush or comb . </Li>

Where did the hair dryer get its energy from