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Super Refined™ Castor Oil

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Super Refined Castor Oil is a highly purified version of naturally derived castor oil, which has a high degree of functionality, making it an extremely useful excipient. However, this increased functionality makes the molecule more susceptible to breakdown from oxidative stresses, such as polar impurities. Croda has addressed this issue by purifying (Super Refining) Castor Oil to remove these oxidative stresses, without altering the structure of the molecule. Super Refined Castor Oil is suitable for use in IV injections, ophthalmic emulsions, oral capsules and tablets and topical dosages and has a required HLB of 14. Its improved taste profile allows for easier formulation of oral liquid medicines to enhance palatability.

Product details

Pharmacopoeia compliance

  • FDA-IID listed
  • JP/JPE
  • Ph. Eur.
  • USP/NF

Chemical group

  • Emulsifying wax
  • Lipid
  • Triglycerides

Administration route

  • Auricular
  • Nasal
  • Ophthalmic
  • Oral
  • Parenteral
  • Topical

Market application

  • Dermatology
  • Human pharmaceutical
  • Veterinary health


  • Emollient
  • Emulsifier
  • Solubiliser

Physical form

  • Clear essentially colourless liquid