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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Amount of drug permeate (a) and percentage drug permeation (b) of RP from RP loaded lipid nanoparticles, hydrogel formulations and control formulations through rat skin (mean ± SD, n = 3).