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Polyoxyl 40 Castor Oil

Hydrogenated Castor Oil 40, HCO40, Solubilizer, It is based on renewable vegetable raw materials.

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HCO 40 is versatile non-ionic solubilizer and emulsifier enhancing the solubility and bioavailability of hydrophobic APIs and fat-soluble vitamins. HCO 40 is obtained by reacting 40 moles of ethylene oxide with 1 mole of hydrogenated castor oil. At the room temperature it appears as white to yellowish paste. It is typically used into formulations such as Topicals (Cream, Hot processing), Solid orals (Hot melt extrusion, Spray drying, Hard shell capsules, Soft shell capsules, Tablets, Instant & modified release), Liquid preparations (Solution).



  • Ideal solubilizer for hydrophobic APIs and vitamins
  • Well established safety and toxicology via several marketed drugs worldwide
  • Zero taste and odour: perfect for oral applications

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