PoxClin CoolMousse for relieving symptoms of chickenpox 100ml. PoxClin Sensitive – relieves the itch and helps prevent scars! PoxClin Sensitive contains a unique bioactive bacterial blocker for an effective treatment to sooth the itch, to recondition the skin and to help prevent scar tissue formation.. It can be easily and hygienically applied to the areas of affected skin. The bioactive blocker derived from the Aloe Barbadensis plant supports children’s natural skin barrier by blocking harmful bacteria.