Cetomacrogol 1000
Cetomacrogol 1000 is the tradename for polyethylene glycol hexadecyl ether, which is nonionic surfactant produced by the ethoxylation of cetyl alcohol to give a material with the general formula HOnC16H33. Several grades of this material are available depending of the level of ethoxylation performed, with repeat units of polyethylene glycol varying between 2 and 20. Commercially it can be known as Brij™ 58 or Brij™ 56. Brij™ is a trademark of Croda International.
It is used as a solubilizer and emulsifying agent in foods, cosmetics, and pharmaceuticals, often as an ointment base. It is used as an oil in water emulsifier for creams/lotions, and a wetting agent.
