Formulation of Propolis Extract Emulsions. I. O/W Creams Based on Non-Ionic Surfactants and Various Consistency Agents

Abstract

The formulation of propolis extract O/W emulsions, a material of therapeutic value in wound healings, is described. Type and optimal concentration of excipients (non ionic surfactants, consistency agents, solubilising factors) are chosen to obtain stable emulsions of desirable macroscopic properties, satisfactory consistency and pH compatible with cutaneous application.