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About product and suppliers:
        Alibaba.com offers 2,738 keratin protein products. About 58% of these are hair treatment, 11% are shampoo, and 6% are hair conditioner. 

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

There are 2,738 keratin protein suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of keratin protein respectively. 

Keratin protein products are most popular in North America, Southeast Asia, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 1,046 with GMP, 802 with Other, and 236 with ISO9001 certification.