Gua Sha are goes back to ancient times where Chinese use to scrape their skin to draw new blood to have an overall better flow. It is now back to a trendy technique to better skin complexion. These tools are available in different material: Rose Quartz, Jade, Horn and plastic, as well in different shape: S shape, Wave, Wing, Heart, Tooth and Pen. While using Gua Sha, you may experience some bruising, as it is the technique of scraping.
Lierre is not responsible to any injuries, so make sure to look for tutorials or class before using.