Some magnesium salts and a mixture of magnesium and calcium salts accelerate skin barrier recovery
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Abstract The effects of four different magnesium salts on the cutaneous barrier recovery rate after barrier disruption were evaluated. We spread an aqueous solution of each salt on the flank skin of hairless mice, occluded the area with a plastic membrane for 20 min, and then left the skin surface to dry. All of the magnesium salts, except magnesium bis(dihydrogen phosphate), accelerated barrier repair. We next estimated the effects of magnesium chloride aqueous solutions which contained calcium chloride at different molar ratios. When the calcium to magnesium ratio was lower than 1, the mixture accelerated barrier repair. The application of an aqueous solution of 10 mM magnesium chloride and 10 mM calcium chloride was found to hasten the barrier recovery more effectively than a solution of 10 mM magnesium chloride. These results suggest that the effects of these metal ions are different depending on the counter ion and/or the method of application.
Key words Magnesium salts Calcium salts Skin ¶barrier
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© Springer-Verlag Berlin Heidelberg 1999