Penetration of selected Dead Sea minerals through a healthy rabbit skin, from a sustained-release, transparent varnish, as a prospective treatment of psoriasis.

Shani J., et.al
Journal of the European Academy of Dermatology and Venereology
Volume 4, Issue 3, June 1995, Pages 267-272

https://www.sciencedirect.com/science/article/pii/092699599400028X