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About product and suppliers:
        Alibaba.com offers 1,025 ci grade products. About 4% of these are oxide, 1% are hair extension, and 1% are antibiotic and antimicrobial agents. 

A wide variety of ci grade options are available to you, such as free samples, paid samples. 

There are 1,025 ci grade suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of ci grade respectively. 

Ci grade products are most popular in Western Europe, South Asia, and Northern Europe. 

You can ensure product safety by selecting from certified suppliers, including 201 with Other, 159 with ISO9001, and 37 with GMP certification.