MegRhythm is a brand owned by Kao Corporation, Japan's leading cosmetics company.
MegRhythm makes a range of very popular steam eye masks, to rest and refresh your eyes after a long day.
When you place the mask over your eyes, it begins heating up to 40°c and releasing steam to cleanse your eyes.
The manufacturer recommends using them after a long day of working, writing, and staring at screens.