Not bad, it's easy to whiten skin ~ it's difficult to operate for the first time, and it takes skill to apply it well ~ it hurts, that is, the eyelids will swell. After all, it's covered with something, which is airtight and chemical. When applied to the eyes, it will irritate the eyes. ~ not everyone can make double eyelids. Judging from the thickness of eyelids, it will be very thick, very thick and false white if applied too much. Its principle is the same as that of double eyelid patch, that is, it will be propped up after drying ~