To. Generally speaking, within 10-15 minutes will be fully into the face of the skin, and most of the residue in the skin surface is the base oil, the base oil is absorbed by the skin has a degree of saturation, if the full massage has not been absorbed by the skin, may be the saturation of the skin has been reached, it is recommended that these excess ingredients washed off at this time, so as not to affect the normal metabolism of the skin, so that the mugwort essential oil with the face! To wash.