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About product and suppliers:
        Alibaba.com offers 490 castor oil pharmaceutical products. About 26% of these are castor oil, 13% are essential oil, and 4% are carrier oil. 

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

There are 403 castor oil pharmaceutical suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and United States, which supply 74%, 11%, and 4% of castor oil pharmaceutical respectively. 

Castor oil pharmaceutical products are most popular in North America, Domestic Market, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 122 with ISO9001, 115 with Other, and 29 with GMP certification.