Gua sha Gua sha (刮痧; guāshā) is abrading the pores and skin with pieces of easy jade, bone, animal tusks or horns or clean stones; right until crimson spots then bruising protect the area to which it is done. It regulates the compounds and professional criteria for TCM practitioners. https://edwinos9s9.dgbloggers.com/27020167/the-2-minute-rule-for-chinese-medicine-allergies