I use Helichrysum essential oil. It’s an amazing product that works. Most dilute it, however, I’m able to use full strength. I would dilute it if you are just starting out or have sensitive skin.

Ya' know, the Internet & Web Sites like this have Educated we 'ordinary folks' to the extent that now we've added a Whole New Inventory to our Vocabulary! We used to strive to be able to speak Knowably about Sports or Weather. Now we're 'talk'n in Medical Technical Terms!
"Oh, ... What Strange Things Will Come Next?"
Helichrysum....... (still think'n about That!)