GUA SHA: Double roller massager made of natural rose quartz stone. 14 cm long. Gua Sha is a facial massage treatment that comes from traditional Chinese medicine and means gua (scraping or massaging) and sha (redness or cleansing of the skin). This system releases toxins from the skin through sha, to increase circulation, heal and prevent conditions, relax energy channels and adjust the balance of yin and yang. Using this technique has benefits for our skin that are fully proven: Improves blood circulation. Firms skin tissue. Mitigates the appearance of wrinkles, as it achieves tighter and smoother skin. Relaxes the muscles of the face It is advisable to store your mineral in a cool, clean place (even the refrigerator), so that the touch of the cold stone can decongest your face.