The correct usage of Ice Boron San is to blow on the affected area, a small amount at a time, several times a day. Ice Boron San is composed of ice tablet, borax (calcined), cinnabar and xuanming powder. It has the effect of clearing heat and removing toxins (removing heat and toxicity from the body), reducing swelling and relieving pain (eliminating swelling and pain). It is used for sore throat, swollen and painful gums, and mouth and tongue sores caused by heat and toxicity. Please do not breathe when spraying or applying the medicine in the mouth, and children should not cry in order to prevent the powder and other medicines from entering the respiratory tract and causing choking and coughing. Children must be used under adult supervision. The adverse reactions and contraindications of Ice Boron San are not known. If you need to use ice boron powder, must be used under professional medical supervision.