Scraping is not recommended immediately after taking a shower.
Gua Sha is the use of scraping tool on the surface of the human body in specific parts of the repeated scraping stimulation, resulting in skin redness, congestion. And just after the bath patients, due to the gas and blood full, skin coupling (pores) in the open state, at this time the external evil is easy to invade the body and disease, so do not recommend that the patient immediately after the bath scraping Gua Sha.
Scraping Gua Sha need to use scraping apparatus dipped in oil and other media, in the corresponding parts of the lateral or downward traumatic scraping, so that the skin local congestion red, or even dark purple point, that is to say scraping success; scraping Gua Sha has a certain dredge meridian, blood circulation and stasis (to promote the blood run, eliminating the body of the silt), dispersal of cold in addition to dampness and so on role.
Specific Gua Sha need to be operated by a professional physician, do not blindly try on your own to avoid adverse effects.