A natural shampoo is provided. The natural shampoo is made using a herbal medicine mature decoction which is obtained by putting herbs including lotus roots, lotus leaves, red ginseng, Hippophae rhamnoides leaves and trunk, persimmon leaves, thuja orientalis, ginger, rosemary, black beans, black sesame, aloe, mulberry leaves, Orostachys japonicus, Angelica gigas, green tea, pine needles, mint, pleuropterus multflorus, blueberry, Acorus gramineus, and garlic in a maturing device, maturing the herbs in temperatures of 65 to 95° C. depending on the herb for 3 to 21 days, then pouring distilled water or soft water, and decocting the matured herbs mixed with the water.