1)What is Hwangto(yellow soil)? Hwangto, the Korean Loess is the yellow colored soils, which contain a lot of potassium chloride and calcium. Hwangto also called as a "living soil,” and "the soil making long lives free from the illness" which has good medical care effect. They have been using the Hwangto such as boiling, put on skin to remedy wound after rapped with fabric, mainly to antidote and sterilization. Hwangto has great affinity with cellular tissues of human body, there are hundred thousands millions of microbe in only one handful amount. Japanese Microbe Research Association announced that there is approximately 50 species of active micro enzyme exist in the soil. Among them, there are catalase , diphenol oxidize, saccharase , and protease the representative microbe in Hwangto. The catalaze in Hwangto has the vital function of dissolving fat formed by hydrogen peroxide and peroxides that make rapid aging process of human body. And also, catalaze neutralize the peroxide acidity physical constitution. I t helps smooth wrinkles by replenishing the skin's moisture and natural oils. The yellow soil or Loess gently cleanses, whitens and slows the skin's aging process while the minerals in the facial pack leave the skin soft and smooth. The unique characteristic of GoodClay’s Hwangto facial pack has no chemical materials such as antiseptic which other competitors are using. 2)Hwangto facial pack effect It is effective in removing several kinds of toxin and impurity like makeup. The moisturizing effects make for a nice facial cleanser. It is effectiveness of deodorization. It has antibacterial effectiveness. It is good for skin trouble and itching. It minimizes appearance of enlarged pores to provide a deep clean. It helps restore nutrients that aging takes away. It also helps prevent premature skin aging and firm skin and reduce wrinkles, so it reveals improve skin texture and smoothes the look of visible lines and wrinkles. It penetrates pores and helps eliminate and prevent blackheads and acne.