中药当归含有大量的挥发油、维生素、有机酸及微量元素等多种有机成分,实验研究表明,当归能扩张外周血管,降低血管阻力,增加循环血液量等,当归能抑制黑色素的形成,对治疗黄褐斑、雀斑等色素性皮肤病收效良好。有人将当归添加到美容霜、祛斑霜中,以求取得营养皮肤,防止皮肤粗糙,防治粉刺、黄褐斑、雀斑等作用, Chinese angelica contains a large number of organic compounds such as volatile oils, vitamins, organic acids and trace elements. Experimental studies have shown that angelica can expand peripheral blood vessels, reduce vascular resistance, increase circulating blood volume, etc. Angelica can inhibit the formation of melanin and treat yellow Pigmental skin diseases such as brown spots and freckles have good results. Some people added angelica to cosmetic creams and freckle creams in order to obtain nutritious skin, prevent rough skin and prevent acne, chloasma, freckles, etc.