The regular use of a Gua Sha tool will – sculpt and contour your face, giving you a more defined look and also reduce the appearance of fine lines and wrinkles. The different edges of the stone fit around different parts of the face, creating pressure and lift. -It has an additional jagged edge which increases the effectiveness and achieves even better results. It is an excellent stone to work with and as a sculpting and lifting tool it can increase microcirculation by up to 400%, stimulate lymphatic drainage, reduce puffiness and stimulate collagen and elastin production. Always apply a little facial oil before use to help the tool glide across the skin rather than pull it. Healing properties black obsidian is a volcanic glass known for its protective and predictive properties. It is a deep detoxification stone that releases tension and works well to clear away suppressed toxicity in the system and deeply suppressed emotions. The warmth of the obsidian encourages stimulation of the lymphatic system and circulation.