How to Guasha? Hold the jade stone with curved sides to your face and move it upward and outward gently. Gua Sha can also be used for your tense muscles such as areas on your shoulders. Use the flat stone and it helps to relieve pain and stiffness. What are the benefits of the Jade Roller? The eye roller will brighten complexion tighten pores and help reduce the appearance of fine lines and wrinkles. Help you to relax and calm the muscle tension. The face roller stimulates the lymphatic system and blood circulation.