Ua ntej, siv cov ntawv tawv kom tshem tawm cov plaster ntau dhau ntawm daim tawv nqaij. Tshem tawm cov seem ntawm plaster nrog ib lub paj rwb so hauv cov roj safflower; qhov no yuav tsum tshem tawm tag nrho thiab zoo.
Dub plasters yog tshwj xeeb tshaj yog nyuaj rau tshem tawm. Koj tuaj yeem sim siv cov roj ua noj, tab sis nws qeeb dua. Koj tuaj yeem rov qab lo rau sab oily ntawm plaster lossis daim kab xev pob tshab rov qab rau ntawm daim tawv nqaij kom tshem tawm cov seem. "Zheng Gu Shui" (ib txwm suav tshuaj), "Zheng Hong Hua You" (safflower oil), "Liu Shen Hua Lu Shui" (ib txwm suav tshuaj), thiab txawm tias roj av tuaj yeem tshem tawm tag nrho. Turpentine roj yog txoj kev ceev tshaj plaws thiab zoo tshaj plaws rau kev tshem tawm thiab kuj muaj cov nyhuv kho.
