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Impact of Surfactants on Skin Penetration of Dexpanthenol

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Objective: It was the aim of this study to evaluate the impact of nonionic and ionic surfactants on skin penetration of dexpanthenol.

Methods: The relative potency of three surfactants (two nonionic and one ionic) as enhancers in the permeability of a series of compounds was investigated. The influence of the enhancers was also studied. For this purpose, porcine abdominal skin was prepared and mounted on Franz diffusion cells, while different mixtures of Dexpanthenol containing Tween®85, SDS and Span®80 in concentrations of 0.5%, 1%, 2%, 5% (m/V) were evaluated in terms of their permeation enhancing effect. The amount of permeated drug was determined via HPLC analysis. Moreover, the cytotoxicity and skin irritating effect of the compounds were tested on Caco-2 cells.

Results: The cytotoxicity profile of Dexpanthenol showed no toxicity to the cells over 1 and 3 h of incubation. The permeation was evaluated over a time period of 180 min, whereas a ranking of SDS> Span>Tween could be determined as permeation enhancer.

Conclusion: Taking these findings into consideration, concentration of 1% (w/w) surfactant showed the most promising results. The increase in flux based on low concentrations of enhancer was ascribed to their ability to reduce skin´s barrier and improve drug permeation. The results showed that the nature of enhancer greatly impacts cutaneous barrier impairment.
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Keywords: Cell culture; delivery; penetration; safety testing; skin barrier; surfactants

Document Type: Research Article

Publication date: March 1, 2018

This article was made available online on August 21, 2017 as a Fast Track article with title: "Impact of Surfactants on Skin Penetration of Dexpanthenol".

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  • The aim of Current Drug Delivery is to publish peer-reviewed articles, short communications, short and in-depth reviews in the rapidly developing field of drug delivery. Modern drug research aims to build in delivery properties of a drug at the design phase, however in many cases this ideal cannot be met and the development of delivery systems becomes as important as the development as the drugs themselves.

    The journal aims to cover the latest outstanding developments in drug and vaccine delivery employing physical, physico-chemical and chemical methods. The drugs include a wide range of bioactive compounds from simple pharmaceuticals to peptides, proteins, nucleotides, nucleosides and sugars. The journal will also report progress in the fields of transport routes and mechanisms including efflux proteins and multi-drug resistance.

    The journal is essential for all pharmaceutical scientists involved in drug design, development and delivery.
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