Our Gua Sha and Roller set is made from 100% natural Black Obsidian which is made from rapidly cooling lava to naturally retain warmth making it great for use on congested, blemish prone skin. A strongly protective stone it absorbs negative energies from the environment. Gua Sha has been used for thousands of years in Traditional Chinese Medicine and translates to mean stroking. Gua Sha stimulates the lymphatic system and helps your skin heal itself. The Gua Sha in our set is renowned to help tone, firm and stimulate the skin. Perfect for using with your daily skincare, this facial-massage tool allows controlled pressure and hugs the curves of your face and neck to help improve the complexion.