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Water exposure is an influential factor in some common dermatoses. It has also been shown that water has an effect on barrier function and biophysical properties of skin. The aim of this study was to evaluate the effect of water immersion on biophysical properties of normal skin. Twenty healthy volunteers participated in this study. The volar aspect of volunteer's forearm was immersed in tap water for 30 min a day for five consecutive days. Biophysical skin parameters including TEWL, skin pH, capacitance, erythema and sebum content were measured using specific probes before and after the exposure and compared with unexposed other forearm as control. TEWL and pH of the exposed forearm increased significantly after 5 days of consecutive daily exposure to water. Water exposure increases the TEWL and pH of normal skin. Future studies evaluating the durability of the increased TEWL through monitoring the time course of events following skin immersion in water and susceptibility of skin to chemical irritants are required. © 2014 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.


A Firooz, N Aghazadeh, A Rajabi Estarabadi, P Hejazi. The effects of water exposure on biophysical properties of normal skin. Skin research and technology : official journal of International Society for Bioengineering and the Skin (ISBS) [and] International Society for Digital Imaging of Skin (ISDIS) [and] International Society for Skin Imaging (ISSI). 2015 May;21(2):131-6

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PMID: 25066831

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