Brand from South Korea: Secret Key. Secret Key Gold Racoony Hydrogel Eye & Spot Patch is a quick and simple eco-friendly pack that take care of dark circles and trouble skin at the same time. This natural eye and spot patch contains gold ingredient and can used as an essence. Provides moisture and increases elasticity for the sensitive eye area. How to use: 1. After washing your face, place the sheet under eyes, and any spot to care. 2. After 15 - 20 minutes, remove the sheet and dab the remaining essence on the face for absorption.