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About product and suppliers:
        Alibaba.com offers 222 castor oil pharmaceutical products. About 26% of these are essential oil, 25% are castor oil, and 1% are hair treatment. 

A wide variety of castor oil pharmaceutical options are available to you, such as pure essential oil, compound essential oil, and herbal extract. You can also choose from fda, gmp, and eec. As well as from leaves, seeds, and flowers. And whether castor oil pharmaceutical is oem/odm, or obm (original brand manufacturing). 

There are 222 castor oil pharmaceutical suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of castor oil pharmaceutical respectively. 

Castor oil pharmaceutical products are most popular in North America, Northern Europe, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 94 with Other, 34 with ISO9001, and 20 with GMP certification.