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About product and suppliers:
        Alibaba.com offers 2,678 collagen treatment keratin products. About 72% of these are hair treatment, 9% are hair conditioner, and 9% are shampoo. 

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

There are 2,651 collagen treatment keratin suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Canada, and Hong Kong, which supply 95%, 1%, 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 886 with GMP, 837 with Other, and 276 with ISO9001 certification.