Read this blog from mid Feb 2019. Yes for some of us, maybe as much as 50%, it can go away with a heavy metal detox, our experimenting with natural blood chelation using cilantro can be followed. My initial rash lasted 1 year, thereafter I was 6 months on and 6 months off before cilantro smoothies. No prescription ever helped.
Because of the cilantro chelation I have been clear for several years.