Frequently Used Excipients in Semi-solid Dosage Formulation

Excipients are well defined in the official pharmacopoeia. Here we mentioned a list of the most commonly used excipients in semi-solid dosage formulation -

Structure forming agents

Cetosteryl alcohol, Sorbitan, Mineral oils etc.


Benzyl alcohol, Sodium benzoate, Methyl paraben, Propyl paraben, Chlorocresol etc.


Butyl hydroxyl toluene, Butyl hydroxyl anisole, Ascorbic acid etc.


Lanolin, Cholesterol, Cholesterol esters etc.

Gelling agents

Carbomer, Carboxy methyl cellulose, Hydroxyl propyl cellulose, Xanthan gum etc.


Glycerin, Mineral oil, Petrolatum, Isopropyl palmitate etc.

Suppository bases

Cocoa butter, Glycerin, Coconut oil, Gelatin, Hydrogenated vegetable oil, Polyethylene glycol etc.

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