PIT Microemulsions with Low Surfactant Content

May 6, 2003 | Contact Author | By: K.H. Diec, A. Eitrich; T. Schmidt; T. Sokolowski and J. Schreiber, Beiersdorf AG
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Keywords: O/W microemulsions | nanoemulsions | Phase Inversion Temperature (PIT) | PIT technology | PIT Nano Technology | PIT microemulsion | nanoemulsification

Abstract: A new technology to achieve o/w microemulsions allows the formulation of transparent products with low surfactant content. The PIT Nanotechnology approach gives cosmetic/pharmaceutical o/w microemulsions in one step with a broad variety of surfactants, co

Considerable efforts have been undertaken in the past decade to investigate new routes to o/w microemulsions for cosmetic or pharmacutical purposes.1-7 This delivery system is transparent, easy to prepare and thermodynamically stable. The advantages of o/w microemulsions are summarized in the sidebar below.