Essential oils, a kind of colored and flavored volatile oily liquid, is the use of a variety of physical or chemical methods from the roots of plants, into the stem, flowers and other parts of the extraction, that is, generally referred to as a single put essential oils. The combination of two or more essential oils with each other or with each other to obtain special effects is called compound essential oils. Essential oils have anti-inflammatory and antiseptic effects, enhance the skin's extensibility, can nourish the skin, make the skin appear bright and shiny, is a very good face care oil. But the concentration of essential oils and very high, easy to produce side effects on the human body, so in the use of, pay attention to it and other oily vegetable oils to dilute the use of blending. <<Tomorrow's answer! Please copy and report! > >