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About product and suppliers:
        Alibaba.com offers 388 pharmaceutical castor oil products. About 27% of these are castor oil, 17% are essential oil, and 5% are carrier oil. 

A wide variety of pharmaceutical castor oil options are available to you, such as plastic bottle, drum, and glass bottle. You can also choose from free samples, paid samples. 

There are 384 pharmaceutical castor oil suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and United States, which supply 78%, 11%, and 4% 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 135 with ISO9001, 115 with Other, and 22 with GMP certification.