Gua Sha(刮痧) is a healing technique used in Asia by practitioners of Traditional Chinese Medicine(TCM), in both the clinical setting and in homes. It is also one of the treatment techniques used in Asia TCM clinic in Singapore.
In this technique, a medium is placed on the skin, such as massage oil, which has a lubricating and protective function. The Gua Sha tool which has a smooth surface is held in the physician’s hand and, using moderate force, the physician will rub the tool on the patient’s skin in long smooth strokes. This technique will create redness to the area called 'sha', that will fade in 2 to 3 days.