Natural soap using herbal medicine mature decoction, and method of preparing the same

A method of preparing a natural soap by adding a caustic soda, the method comprising:

• washing herbs including 6 to 9 weight % of lotus roots, 4 to 6 weight % of lotus leaves, 4 to 6 weight % of red ginseng, 4 to 6 weight % of Hippophae rhamnoides leaves and trunk, 4 to 6 weight % of persimmon leaves, 4 to 6 weight % of thuja orientalis, 4 to 6 weight % of ginger, 3 to 5 weight % of rosemary, 6 to 9 weight % of black beans, 3 to 5 weight % of black sesame, 5 to 8 weight % of aloe, 5 to 8 weight % of mulberry leaves, 1 to 3 weight % of Orostachys japonicus, 4 to 6 weight % of Angelica gigas, 3 to 5 weight % of green tea, 5 to 8 weight % of pine needles, 4 to 6 weight % of mint, 4 to 6 weight % of pleuropterus multiflorus, 3 to 5 weight % of blueberry, and 3 to 5 weight % of Acorus gramineus, putting the washed herbs in a ripening device, and ripening the herbs at temperatures of 65 to 95° C. for 3 to 15 days (S100);
• putting the ripened herbs along with 15 to 25 weight % of distilled water and 75 to 85 weight % of soft water in a decoction maker, boiling the herbs and mixing the herbs with the water by heat, and decocting the herbs mixed with the water by the heat for 48 to 72 hours so as to make a first decoction (S200);
• pouring the first decoction into a vessel, putting 37 to 43 weight % of distilled water or soft water in the decoction maker, boiling the herbs mixed with the water by the heat and decocting the herbs and mixing the herbs with the water by the heat for 3 to 4 hours so as to make a second decoction (S300);
• removing the herbs from the decoction maker, mixing the first decoction with the second decoction, and decocting the mixed decoction for 24 to 36 hours by the heat so as to obtain an herbal medicine decoction of 7.5 to 8.5 weight % (S400);
• mixing 65 to 75 weight % of the herbal medicine decoction with 25 to 35 weight % of the caustic soda, and cooling the mixture down to temperature of 40 to 55° C. (S500);
• heating carrier oil, which is a mixture of at least two of coconut oil, palm oil, olive oil, camellia oil, castor oil, rice bran oil, sunflower oil, and grape seed oil, to 40 to 55° C., and pouring 25 to 35 weight % of the cooled mixture of the caustic soda and the herbal medicine decoction into 65 to 75 weight % of the heated carrier oil and stirring the mixture to form a soap (S600);
• adding 2 to 5 weight % of essential oil, which is a mixture of at least two of lavender, lemon, clary sage, ylang ylang, rosemary, tea tree, and cedarwood, to 95 to 98 weight % of saponified mixture, and stirring the mixture (S700);
• pouring the mixture including the essential oil into a mould, and maturing the mixture at temperature of 30 to 40° C. for 48 to 72 hours (S800);
• and
• separating a solid soap from the mould after the maturing of the mixture, and maturing the soap in a shady area in a room temperature of 22 to 28° C. for to 6 weeks (S900).