There is a sub-group of SS for characteristics of a high vascular reactivity without an impaired cutaneous barrier function. The DMSO test and novel non-invasive measurements which are conducive to assess cutaneous vascular reactivity, combined with SLS skin irritation test could help us to screen this kind of SS.
Application of 98% DMSO for 10 min combined with a* (at 30 min) and blood flow (at 10 min) values could help us to identify persons with a hyper-angionerotic reaction to chemical stimulus. The penetrative activity of DMSO correlated with the thickness of the individual's skin.
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