Clay pack of eye is safe, easy to use, and it utilizes a synchronized blend of all-natural, ceramic clay and non-toxic oils to create the ideal thermal transfer source. It can delete the fatigue and promote the blood circulation so that it can help to reduce the black circle and accelerate sleep. Its hot performance is at least double effective than regular gels. What’s more, it’s totally green. It’s the best friend when you are in SPA, and in relax after massage.