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About product and suppliers:
        Alibaba.com offers 294 pharmaceutical castor oil products. About 22% of these are castor oil, 21% are essential oil, and 16% are oil pressers. 

A wide variety of pharmaceutical castor oil options are available to you, such as bulk, glass bottle, and drum. You can also choose from refined, crude, and hand made. As well as from organic, common. And whether pharmaceutical castor oil is season, or cooking. 

There are 294 pharmaceutical castor oil suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of pharmaceutical castor oil respectively. 

Pharmaceutical castor oil products are most popular in North America, Domestic Market, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 109 with ISO9001, 95 with Other, and 20 with GMP certification.