This is the reason why I say the blog post by the company about removing permanent marker is "blah, blah, blah". There are so many other ways to remove permanent marker that are "skin friendly" meaning most people can use most of these ideas. Those who have skin allergies...there are plenty of ways to remove it without using "chemicals".
Here are a few examples. The fact that WC will remove permanent marker...makes them no more special than all of these other ways to remove it with common household products...