Customer wrote: The first 5 minutes Please prepare the bathtub containing large hot water. Please dive into a tub for 2-3 seconds to the point of the head forward. When you raise a face, the hair of hair should cover a face completely. Generally, please show for 7-8 seconds. And please sink for 2-3 seconds to the point of the head forward again. Please repeat this repeatedly. Please take a filming by the close-up of a face and the head