STIMULATES BLOOD FLOW IN THE SKIN: The original face massage tool rose quartz jade roller face massager helps in increasing collagen production, lymphatic system stimulation and blood circulation in the skin to provide sufficient oxygen, giving you a dull-free skin and youthful glow. Gua sha scraper helps in preventing the signs of ageing such as sagging, wrinkles and dullness by improving the skin elasticity and removing inflammatory skin issues.