2. Sprinkle talcum powder (prickly heat powder) and gently take it out with your fingers.

3. Wipe with degreased oil, which can be bought at all gas stations. Wipe the label surface with cotton dipped in vinegar.

4. Bake it slightly on the fire or blow it on the label with a hair dryer for a while, then rinse it with clear water, or you can easily tear off the label.