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About product and suppliers:
        Alibaba.com offers 288,143 7a hair products. About 69% of these are hair extension, 4% are wigs, and 1% are hair treatment. 

A wide variety of 7a hair options are available to you, such as free samples, paid samples. 

There are 287,836 7a hair suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Vietnam, which supply 92%, 4%, and 1% of 7a hair respectively. 

a hair products are most popular in North America, Western Europe, and Africa. 

You can ensure product safety by selecting from certified suppliers, including 29,018 with Other, 16,160 with ISO9001, and 3,623 with GMP certification.