프카쟁이
유튜브 검색해보시면 괄사하는 영상 많이 나와요~ ^^
I've noticed that a lot of people around me, as well as here, are doing Gua Sha. Is it really effective? I think I heard somewhere that if you don't do it properly, your face can get bigger. Could you please tell me how to do Gua Sha correctly?