Effect of the hydrogel-forming polymer and the nanocapsules on the skin adhesion of a cutaneous formulation containing capsaicinoids

R.V.Contri1, T. Katzer1, A.F. Ourique2, R.C.R. Beck1,2, A.R. Polhmann2,3 and S.S. Guterres1,2

1Programa de Pós-Graduação em Ciências Farmacêucticas / UFRGS, Porto Alegre, RS, 90610-000, Brazil; 2Programa de Pós-Graduação em Nanotecnologia Farmacêutica / UFRGS, Porto Alegre, RS, 90610-000, Brazil; 3Instituto de Química / UFRGS, Porto Alegre, RS, 91501-970, Brazil. renatacontri@gmail.com 

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Summary
Capsaicin and Dihydrocapsaicin washability profiles were determined after incorporation in 3 hydrogel formulations. The role of the chitosan hydrogel and of the nanocapsules on the increase in the skin adhesion of a topical capsaicinoids formulation was shown in this work.

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