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Enhanced chlorhexidine skin penetration with 1,8-cineole

Casey, A. L., Karpanen, T. J., Conway, Barbara R, Worthington, T., Nightingale, P., Waters, R. and Elliott, T. S. J. (2017) Enhanced chlorhexidine skin penetration with 1,8-cineole. BMC Infectious Diseases, 17 (1). ISSN 1471-2334

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Abstract

Background
Chlorhexidine (CHG) penetrates poorly into skin. The purpose of this study was to compare the depth of CHG skin permeation from solutions containing either 2% (w/v) CHG and 70% (v/v) isopropyl alcohol (IPA) or 2% (w/v) CHG, 70% (v/v) IPA and 2% (v/v) 1,8-cineole.

Methods
An ex-vivo study using Franz diffusion cells was carried out. Full thickness human skin was mounted onto the cells and a CHG solution, with or without 2% (v/v) 1,8-cineole was applied to the skin surface. After twenty-four hours the skin was sectioned horizontally in 100 μm slices to a depth of 2000 μm and the concentration of CHG in each section quantified using high performance liquid chromatography (HPLC). The data were analysed with repeated measures analysis of variance.

Results
The concentration of CHG in the skin on average was significantly higher (33.3% [95%, CI 1.5% - 74.9%]) when a CHG solution which contained 1,8-cineole was applied to the skin compared to a CHG solution which did not contain this terpene (P = 0.042).

Conclusions
Enhanced delivery of CHG can be achieved in the presence of 1,8-cineole, which is the major component of eucalyptus oil. This may reduce the numbers of microorganisms located in the deeper layers of the skin which potentially could decrease the risk of surgical site infection.

Item Type: Article
Subjects: R Medicine > RM Therapeutics. Pharmacology
R Medicine > RS Pharmacy and materia medica
Schools: School of Applied Sciences
Related URLs:
Depositing User: Barbara Conway
Date Deposited: 23 May 2017 14:57
Last Modified: 23 May 2017 15:04
URI: http://eprints.hud.ac.uk/id/eprint/31999

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