For a long while, the copyright “Ceylon cinnamon” and “Sri Lankan cinnamon” have been applied as if they were the same, leading to a lot of ambiguity. However, there's a key nuance. "Ceylon cinnamon" https://susanbwcq813466.aboutyoublog.com/52195188/ceylon-cinnamon-vs-genuine-cinnamon-what-s-the-variation