Kojic acid is a kind of specialized inhibitor for melanin. It can prevent the tyrosinase activity through synthesizing with copper ion in the cells after it enters skin cells. Kojic acid and its derivative has better inhibitory effect on tyrosinase than any other skin whitening agents. At present it is assigned into various kinds of cosmetics for curing freckles, spots on the skin of old man, pigmentation and acne.

Baoding Faithful Industry Co., Ltd., founded in 2005, is located in the Baoding National High-tech Industrial Park, Hebei Province, which specializes in the R&D, production and sales of raw materials for health products, whose main products are sodium hyaluronate, collagen, pancreatin, pepsin, plant extracts etc and exported to more than 20 countries such as the Americas, Europe, Asia. Baoding Faithful Industry Co., Ltd. has developed from several people at the beginning of its establishment to the establishing of a perfect service system: quality control, sales, marketing, documentation, after-sales. Baoding Faithful Industry Co., Ltd. has passed the ISO9001 quality management system certification, feedback the vast number of new and old customers with higher quality products, more perfect, thoughtful service in the field of cosmetic raw materials, functional food raw materials, pharmaceutical raw materials and other fields.