It penetrates the basal cell layer of the skin with high efficiency, providing perfect deep care for the skin. Spray time: Automatically turns off in 1 minute and can be used about 14 times after refilling with water. Spray time: Automatically turns off in 1 minute and can be used about 14 times after refilling with water. The nanometer atomization beauty instrument is a portable instrument for deep skin care by adopting nanometer - ion technology - a kind of advanced technology. It can be absorbed effectively and deeply, and can produce the most excellent effects of skin care and beautification.