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About product and suppliers:
        Alibaba.com offers 2,443 collagen treatment keratin products. About 77% of these are hair treatment, 7% are shampoo, and 1% are other hair care products. 

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

There are 2,415 collagen treatment keratin suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Canada, and Hong Kong, which supply 94%, 2%, and 1% of collagen treatment keratin respectively. 

Collagen treatment keratin products are most popular in Southeast Asia, North America, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 728 with GMP, 590 with Other, and 262 with ISO9001 certification.