1933 day by day diary. entry 3. we use calendula in our home all the time however I learned mercurochrome wasnuse and banned in 1998 with the fear of mercury being absorbed in the skin, it was ineffective, and had staining properties. my MIL even used it before on her knees. #1933 #mercurochrome #diary #old #vintage #antique #lostandfound #90yearsold