Online ISSN : 1347-5231
Print ISSN : 0031-6903
ISSN-L : 0031-6903
Regular Articles
Prediction of Wettability and Adhesion of Lotion to Skin Based on the OWRK Method
Kaname HashizakiKohei SunagaYusuke OdaMai BashudaMiko ImaiYukihiro GotoHiroyuki TaguchiYoshihiro SaitoMakiko Fujii
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2019 Volume 139 Issue 4 Pages 635-640


In this study, we propose a new technique for evaluating wetting and adhesion of lotions to skin using surface tension measurements, contact angle measurements and calculations based on the Owens-Wendt-Rabel-Kaelble (OWRK) method. Three prescription lotions (Napageln® Lotion 3%, Sumilu® Lotion 3% and Felbinac Lotion 3% 「Rakool」) and two over-the-counter lotions (Feitas® Lotion and Salomethyl® FB Lotion α) were used. Based on the dispersive and polar components of the surface free energy of Yucatan micro pig (YMP) skin, isograms of contact angle (wetting envelope) and adhesion work of the YMP skin surface were constructed. Plotting the surface tension and its polar component of lotions on this isogram revealed that it is possible to predict the wettability and adhesion of lotions to YMP skin. Such diagrams can be easily constructed even using the surface free energy of other types of skin, such as that of humans and hairless mice. This evaluation method may be applicable to other external use medicines.

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© 2019 The Pharmaceutical Society of Japan
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