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About product and suppliers:
        Alibaba.com offers 345 biotin hair growth products. About 25% of these are vitamins, 9% are beauty products, and 7% are immune & anti-fatigue. 

A wide variety of biotin hair growth options are available to you, such as gelling agent, capsules, and tablets. You can also choose from gmp, fda, and iso. As well as from free samples, paid samples. 

There are 355 biotin hair growth suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and United States, which supply 86%, 5%, and 2% of biotin hair growth respectively. 

Biotin hair growth products are most popular in North America, Western Europe, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 64 with ISO9001, 34 with GMP, and 29 with Other certification.
        
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