Guasha (“gua” means scraping, “sha” refers to the marks often produced by this technique), is both a medical and a cosmetic treatment technique in Traditional Chinese Medicine (TCM). Medical guasha involves applying a lubricant (massage oil, cream, herbal liniment, etc.) to the skin, and then scraping with a firm pressure to create sha, transient therapeutic petechiae. The mechanical pressure of scraping can help reduce muscle tension and unbind restrictions of connective tis