The product code at the bottom of the package is 8 digits, which consists of an English letter and 7 digits. The first English letter U stands for Tokyo, Japan, and E stands for Osaka, Japan. Finally, 1 indicates the year number, the 4th-6th digits indicate the production date of the current year, and the 3rd digit1-indicates the number of Kao production line in Japan. For example, E0433222 indicates that the place of origin is Osaka, Japan, and the production date is the 322nd day of 20 12.
Kao Co., Ltd. was established in 1887, formerly known as "Changlai Store" (Huajian), and mainly sells American-made beauty soaps, Japanese-made soaps and imported stationery. The founder is Nagase Kuro. Kao products involve more than 600 kinds of cosmetics, mostly polymer chemicals. In August, 2002, KAOCF established Kao (China) Co., Ltd. in China to manage its three enterprises in China.