PEG 4000 – Multifunctional excipient; carrier for softgel fill formulations; base-forming excipient for suppositories and topical formulations; plasticizer for film coatings.
PEG 4000 is a multifunctional pharmaceutical excipient widely used in pharmaceutical formulations as a carrier for softgel fill formulations, a base-forming excipient for suppositories and topical dosage forms, and a plasticizer for film-coating formulations. In addition, PEG 4000 is also used as an osmotic laxative API.
