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About product and suppliers:
        Alibaba.com offers 299 pharmaceutical castor oil products. About 23% of these are castor oil, 21% are essential oil, and 1% are carrier oil. 

A wide variety of pharmaceutical castor oil options are available to you, such as free samples, paid samples. 

There are 299 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 102 with ISO9001, 95 with Other, and 27 with GMP certification.