... ; Sleep insufficient; Life disorder;Frequently staying up late; Long-term use color make-up or usecosmetics not properly; Reading, writing, watching ... computer for a long time, and so on....How to use:1 After cleaning the face, take out the eye patch ... .2 For first time users,1 times/ 1 day. Use continuously for 7 days. Use 2-3 times every week after 7 days ...