Facebook has said it will start to label potentially harmful posts that it leaves up because of their news value.
The more hands-on approach comes as the social media firm is under pressure to improve how it moderates the content on its platform, including posts by US President Donald Trump.
More than 90 advertisers have joined a boycott of the site.
Consumer goods giant Unilever on Friday added its name to the list, citing a "polarized election period" in the US.
The maker of Dove soap and Ben & Jerry's ice cream said it would halt Twitter, Facebook and Instagram advertising in the US "at least" through 2020.
"Continuing to advertise on these platforms at this time would not add value to people and society," it said. "We will revisit our current position if necessary."...