Influence of the Vehicle on the Penetration of Particles into Hair Follicles
AbstractRecently, it has been demonstrated that particulate substances penetrate preferentially into the hair follicles and that the penetration depth depends on the particle size. In the present study, the influence of the vehicle of the particulate substances on the penetration depth was investigated. Four different formulations (ethanolic suspension, aqueous suspension, ethanolic gel and aqueous gel) containing peptide-loaded particles of 1 µm in diameter were prepared and applied on porcine ear skin. After penetration, punch biopsies were taken and the penetration depths of the particles were investigated by laser scanning microscopy. The deepest penetration was achieved with the gel formulations demonstrating an influence of the vehicle on the penetration depth of particulate substances.
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Patzelt, A.; Richter, H.; Dähne, L.; Walden, P.; Wiesmüller, K.-H.; Wank, U.; Sterry, W.; Lademann, J. Influence of the Vehicle on the Penetration of Particles into Hair Follicles. Pharmaceutics 2011, 3, 307-314.
Patzelt A, Richter H, Dähne L, Walden P, Wiesmüller K-H, Wank U, Sterry W, Lademann J. Influence of the Vehicle on the Penetration of Particles into Hair Follicles. Pharmaceutics. 2011; 3(2):307-314.Chicago/Turabian Style
Patzelt, Alexa; Richter, Heike; Dähne, Lars; Walden, Peter; Wiesmüller, Karl-Heinz; Wank, Ute; Sterry, Wolfram; Lademann, Jürgen. 2011. "Influence of the Vehicle on the Penetration of Particles into Hair Follicles." Pharmaceutics 3, no. 2: 307-314.