It is useful to use safflower oil after a muscle strain, but not immediately, and at your discretion after 24 hours after the strain. Because this drug has the effect of activating blood circulation and removing blood stasis, if used in the acute phase, it is likely to aggravate the symptoms of swelling and pain. Muscle strains in the acute phase should be braked and rest, the injured part of the cold compress treatment, 24 hours after the condition is stable can be applied safflower oil, with the role of promoting recovery, promote blood circulation. However, if the injured part of the wound has broken, bleeding, exuding and other wounds can not be used, otherwise it is easy to cause wound infection, especially if the skin is allergic, allergic to safflower oil, then you must not use safflower oil.