What is comic book 'de-acidification'?

What is comic book 'de-acidification'?

Mark Zaid (Owner of Esquire Comics) gives expert video advice on: How does restoration affect a comic book's price?; Should I use tape to repair my comic books?; What is comic book 'color touching'? and more...

Comic book de-acidification is another method of comic book restoration, to try and remove defects that might have attached to the comic book and clean the cover of the comic book, restoring the vibrant colours. It is a method by which actually comic books are soaked in certain formulas and it is considered a form of restoration.