International Journal of Cosmetic Science 2011-08-01

Preparation and characterization of carnauba wax nanostructured lipid carriers containing benzophenone-3.

S P Lacerda, N N P Cerize, M I Ré

Index: Int. J. Cosmet. Sci. 33(4) , 312-21, (2011)

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Abstract

Nanostructured lipid carriers (NLCs) are potential active delivery systems based on mixtures of solid lipids and liquid oil. In this paper, aqueous dispersions of NLCs were prepared by a hot high-pressure homogenization technique using carnauba wax as the solid lipid and isodecyl oleate as the liquid oil. The preparation and stability parameters of benzophenone-3-loaded NLCs have been investigated concerning particle size, zeta potential and loading capacity to encapsulate benzophenone-3, a molecular sunscreen. The current investigation illustrates the effect of the composition of the lipid mixture on the entrapment efficiency, in vitro release and stability of benzophenone-3-loaded in these NLCs. A loading capacity of approximately 5% of benzophenone-3 (m(BZ-3) /m(lipids) ) was characteristic of these systems.© 2011 The Authors. ICS © 2011 Society of Cosmetic Scientists and the Société Française de Cosmétologie.

Related Compounds

  • Carnauba wax
  • Oxybenzone

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