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About product and suppliers:
        Alibaba.com offers 1,785 keratin bulk products. About 51% of these are hair treatment, 22% are hair extension, and 8% are shampoo. 

A wide variety of keratin bulk options are available to you, such as tablets, powder. You can also choose from free samples, paid samples. 

There are 1,785 keratin bulk suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of keratin bulk respectively. 

Keratin bulk products are most popular in North America, Southeast Asia, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 378 with GMP, 314 with Other, and 55 with ISO9001 certification.