"The fact that hateful terms were even offered as options was totally inappropriate and a fail on our part", she added.
Next, Facebook will add more human review to its automated processes.
Following the exposé and attendant public backlash, Facebook disabled the self-reported targeting fields in its ads system until further notice, but now it's making moves to accommodate the advertisers who rely on employer and educational information to target audiences.
Last week, Facebook was the subject of a ProPublica exposé that found ads could be targeted based on characteristics that included terms such as "Jew hater" and "how to burn Jews".
The tech firm reinstated about 5,000 commonly used terms for ad targeting such as nurse, teacher or dentistry after reviewing the ad targeting categories.
Sandberg reaffirmed that content that goes against Facebook's community standards, including anything that directly attacks people based on their race, ethnicity, national origin, religious affiliation or sexual orientation among others, can not be used to target ads.
In addition, Sandberg said the company has clarified its advertising policies and will toughen up its enforcement.
"We have long had a firm policy against hate on Facebook", Sandberg wrote. Facebook did not immediately respond to a request for clarification. "Hate has no place on Facebook - and as a Jew, as a mother, and as a human being, I know the damage that can come from hate", she said.
Sandberg also said that the company was creating a program to encourage people to report abuses of its ad system.
The company is also exploring new ways to encourage users to report offensive ads, although it's unclear how those systems will improve on what is now available.
The reports of racist ads come at a time when Facebook is facing increased scrutiny over its role in swaying the outcome of the 2016 election.
Just the Facts on The Home Depot, Inc. (HD)
On Friday, June 16 the stock rating was maintained by RBC Capital Markets with "Buy". (The) in a report on Wednesday, August 16th. The firm owned 4,366 shares of the home improvement retailer's stock after buying an additional 908 shares during the period.
California to file lawsuit over Trump border wall
DHS also failed to comply with the Coastal Zone Management Act with respect to wall construction in San Diego County. The Calexico waiver marked the seventh time the government has waived environmental reviews under a 2005 law.
Nielsen says 11.4 million watch Emmy Awards
The fact that he openly had called out Spicer for aiding Trump's war against the press is clearly not lost on people . You wanted publicity, now you got it, you pathetic worm. "And I certainly hope we achieved that tonight ".