There is no scientific evidence to use which material guasha is good or better. People used materials like obsidian, bian stone, water...

what is guasha? Gua sha is a healing technique of traditional East Asian medicine. Gua Sha was first referred to in a classical Chinese...

LI4 – Joining of the Valleys Allows us to release impurities Command point for the face Doing acupressure on this point also can help...