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About product and suppliers:
        Alibaba.com offers 306 castor oil pharmaceutical products. About 32% of these are castor oil, 19% are essential 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 301 castor oil pharmaceutical suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and United States, which supply 73%, 21%, and 1% of castor oil pharmaceutical respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 112 with Other, 54 with ISO9001, and 21 with GMP certification.